Cancer Pathophysiology, Prevention and Detection - Memory Anchors
When you link a dry clinical fact to a vivid image, a funny story, or a familiar Filipino experience, your brain stores it in multiple networks at once: verbal, emotional, and visual. That means faster retrieval under exam pressure. This collection covers every high-yield NLE concept in Cancer Pathophysiology, Prevention and Detection. Work through each anchor once, then close the book and try the recall trigger. If you can fire back the answer in under five seconds, the memory is set. If not, revisit the anchor and add your own personal twist — the more absurd and personal, the stickier it becomes.
Memory anchors
CAUTION — the seven warning signs of cancer
Memory aid
Imagine a Filipino traffic enforcer blowing his whistle and shouting 'CAUTION!' at a jeepney that is about to run a red light. Each letter of his shout stands for a warning sign: C — Change in bowel or bladder habits; A — A sore that does not heal; U — Unusual bleeding or discharge; T — Thickening or a lump; I — Indigestion or difficulty swallowing; O — Obvious change in a wart or mole; N — Nagging cough or hoarseness. The traffic enforcer will NOT let the jeepney pass until all seven warnings are checked — just like a nurse must assess all seven before dismissing a symptom.
Why it works
CAUTION is an established acronym, and attaching it to the vivid, culturally familiar image of a Filipino traffic enforcer creates a dual-coding memory trace — verbal and visual simultaneously.
Example usage
NLE question: 'A nurse is teaching a community health class about early cancer detection. Which of the following is included in the CAUTION mnemonic?' Instantly visualize the traffic enforcer and recite C-A-U-T-I-O-N.
Recall trigger
Picture a traffic enforcer blowing a whistle and yelling 'CAUTION!'
Three stages of carcinogenesis: Initiation → Promotion → Progression
Memory aid
Think of lighting a charcoal grill (ihaw) for a Filipino barbecue. INITIATION is striking the match — one irreversible spark hits the charcoal (DNA). PROMOTION is fanning the flames repeatedly — if you keep fanning (tobacco, alcohol, hormones), the small spark grows into a real fire. Stop fanning and the fire may die — this is the reversible stage where prevention works. PROGRESSION is when the fire gets so big it spreads to the rest of the wooden table and the neighbor's fence — the tumor invades and metastasizes, and nothing can un-start the fire at that point.
Why it works
The barbecue grill is a deeply familiar Filipino sensory experience. Mapping abstract biochemical stages onto a tangible physical process encodes the concept in episodic memory.
Example usage
NLE question: 'Which stage of carcinogenesis is reversible and therefore the most important window for prevention?' Fan the grill in your mind — PROMOTION is the fanning stage, reversible, the prevention window.
Recall trigger
Picture lighting a charcoal grill for a barbecue.
Proto-oncogenes vs. Oncogenes and Tumor Suppressor Genes (p53)
Memory aid
Imagine a tricycle. The GAS PEDAL is the proto-oncogene — it normally controls acceleration (cell growth). When the pedal gets JAMMED (mutated into an oncogene), the tricycle races uncontrollably even without the driver pressing it — cells multiply without stopping. The BRAKE is the tumor suppressor gene (p53). If someone CUT THE BRAKE LINE (mutation inactivating p53), the tricycle cannot stop at all. Cancer happens when the gas is stuck AND the brakes are cut at the same time.
Why it works
The tricycle is an iconic Filipino transport symbol. The gas-brake duality perfectly mirrors the accelerator-brake biology of oncogenes and tumor suppressors, making the relationship intuitive.
Example usage
NLE question: 'What happens when a proto-oncogene is mutated?' Think of the tricycle's gas pedal jamming — it becomes an oncogene that drives uncontrolled cell proliferation.
Recall trigger
Imagine a runaway tricycle with a jammed gas pedal and cut brake line.
Contact inhibition and apoptosis lost in cancer
Memory aid
Lola Basing's garden has well-behaved plants that stop growing when they touch the garden wall — that is contact inhibition. Old, sick plants wither and die on their own to make room for healthy ones — that is apoptosis. One day, a rebellious gabi plant ignores the wall and keeps spreading across the whole garden, smothering everything, refusing to die even when diseased. That rogue gabi plant is a cancer cell: no contact inhibition, no apoptosis, just unstoppable spread.
Why it works
A garden story is relatable and concrete. The rogue plant is a memorable villain that personifies cancer's two core failures: lost contact inhibition and failed apoptosis.
Example usage
NLE question: 'Which normal cellular processes are lost in cancer cells?' Think of Lola's rogue garden plant — it has no respect for borders (contact inhibition) and refuses to die (apoptosis).
Recall trigger
Picture Lola Basing's garden taken over by an unstoppable gabi plant.
Benign vs. Malignant: encapsulated, differentiated, no metastasis vs. invasive, anaplastic, metastatic
Memory aid
Benign tumor = a mango in a sturdy lambanog bottle. It stays inside the bottle (encapsulated), looks like a proper mango (well-differentiated), and cannot escape to other bottles (no metastasis). Malignant tumor = a swarm of aedes mosquitoes: they have no container (non-encapsulated), they look nothing like a healthy insect community (anaplastic), and they fly to every room in the house and even the neighbor's yard (metastasize). Remember: B for Benign = Bottled; M for Malignant = Mosquitoes everywhere.
Why it works
Bottles and mosquitoes are vivid, contrasting Filipino household images. The B-B (Benign-Bottled) and M-M (Malignant-Mosquito) pairing creates an easy rhyme anchor.
Example usage
NLE question: 'Which characteristic best distinguishes a malignant tumor from a benign tumor?' Think mosquito swarm — it spreads (metastasizes) and is not contained. Benign = bottled.
Recall trigger
Bottle vs. Mosquito swarm.
TNM Staging System — Tumor, Nodes, Metastasis
Memory aid
Remember TNM as 'The Nurse Maps' the cancer. T = Tumor (how big is the primary mass? T1 small → T4 huge; Tis = in situ, still in its crib). N = Nodes (are nearby lymph nodes involved? N0 = clean; N1–N3 = increasingly dirty). M = Metastasis (has it traveled far? M0 = stayed home; M1 = left the country). Just like a nurse mapping a patient's condition from bed to discharge, TNM maps the cancer from its origin to where it has spread.
Why it works
The phrase 'The Nurse Maps' ties the mnemonic directly to the student's professional identity, making it personally meaningful and therefore more memorable.
Example usage
NLE question: 'A patient is classified as T2 N1 M0. What does M0 indicate?' The Nurse Maps: M = Metastasis, M0 = no distant spread.
Recall trigger
Say 'The Nurse Maps' — T, N, M.
Grading (Grade 1–4) — degree of differentiation vs. aggressiveness
Memory aid
Think of college students: Grade 1 = a student who still looks and acts like a normal, well-behaved BS Nursing student (well-differentiated, least aggressive). Grade 4 = a dropout who no longer resembles a student at all — no uniform, no ID, no schedule (anaplastic, undifferentiated, most aggressive). The higher the grade number, the less the cell looks like its origin tissue and the more dangerous it is. High grade = high danger.
Why it works
Grading on a 1-to-4 scale maps intuitively onto the familiar concept of academic performance levels. The college student metaphor is instantly relatable to BSN graduates.
Example usage
NLE question: 'A biopsy report shows Grade 4 cells. What does this indicate?' Grade 4 = the dropout — undifferentiated, anaplastic, most aggressive and worst prognosis.
Recall trigger
Think of a well-behaved nursing student (G1) vs. an anaplastic dropout (G4).
Grading vs. Staging — students frequently confuse these two
Memory aid
Use the phrase: 'GRADE looks at the CELL; STAGE looks at the SPREAD.' Or use initials: G = Ganda ng cell? (How pretty/normal does the cell look?) versus S = Saan na pumunta? (Where has it gone?). Grading is a microscope question; Staging is a map question.
Why it works
Using Filipino-language cues (Ganda, Saan) creates a language-switching memory hook that stands out from purely English study material, enhancing distinctiveness.
Example usage
NLE question: 'Which system describes how far cancer has spread in the body?' Saan na pumunta = Staging = TNM system.
Recall trigger
G = Ganda ng cell? S = Saan na pumunta?
Common sites of metastasis — Lung, Liver, Bone, Brain
Memory aid
Remember 'Let Liver Bring Brain' or more memorably, the 4 L's of a cancer that has gone traveling: Lungs, Liver, Bone (mnemonic tweak: Bones sound like 'Bong'), Brain. Or use the sentence: 'LAZY LIONS BITE BONES' — L = Lungs, L = Liver, B = Bone, B = Brain. Picture a lazy lion biting through bones — that's where metastatic cancer loves to settle.
Why it works
Animal imagery (the lazy lion) is vivid and emotionally engaging. The alliterative pairing of L-L and B-B creates a phonological loop memory trace.
Example usage
NLE question: 'A patient with breast cancer develops back pain and neurological symptoms. Which common metastatic sites should the nurse suspect?' Lazy Lions Bite Bones — Bone and Brain are the likely sites.
Recall trigger
Picture a lazy lion biting bones.
Routes of metastasis — Lymphatic (most common for carcinomas), Hematogenous, Direct extension, Seeding
Memory aid
A cancer cell is an OFW (Overseas Filipino Worker) trying to leave the Philippines. The most common exit is via airplane (LYMPHATIC system — the main highway). Some sneak out by cargo ship (BLOODSTREAM — hematogenous, slower but reaches distant organs). Some simply walk across the border by foot (DIRECT EXTENSION — spreading to adjacent tissue). A few jump into the ocean and drift to nearby shores (SEEDING — spreading across body cavities like the peritoneum). The OFW analogy reminds you: lymphatic = the most popular flight route.
Why it works
OFW migration is a deeply meaningful Filipino cultural narrative. Mapping cancer spread onto emigration routes makes the biology concrete and emotionally resonant.
Example usage
NLE question: 'What is the most common route of metastasis for carcinomas?' OFW takes the plane — lymphatic system is the most common route.
Recall trigger
Picture a cancer cell as an OFW at the airport departure gate.
Carcinogens — Chemical, Physical, Infectious agents
Memory aid
Remember the three types of carcinogens as 'CPI' — like a CPI (Consumer Price Index) report that keeps going UP (like cancer risk): C = Chemical (tobacco, asbestos, benzene, aflatoxin), P = Physical (UV rays, ionizing radiation), I = Infectious (HPV → cervical cancer; Hep B/C → liver cancer; H. pylori → gastric cancer; EBV). Every time you hear CPI in the news, think: cancer risk going up from chemicals, physical rays, and infectious bugs.
Why it works
CPI is a term Filipino students encounter in current events, creating a cross-domain association that reinforces the memory through real-world repetition.
Example usage
NLE question: 'Which infectious agent is associated with cervical cancer?' CPI — I = Infectious — HPV is the infectious carcinogen for cervical cancer.
Recall trigger
CPI report on the news — C, P, I for cancer carcinogens.
Biopsy is the DEFINITIVE diagnostic test for cancer
Memory aid
Chant this: 'When you need to know for SURE, take a piece and culture! Biopsy is the gold, it tells the cancer's story told!' Or the simpler version for rapid recall: 'To confirm cancer, you need a PIECE — biopsy is the definitive piece of evidence.' Just like in a Philippine court, you cannot convict without evidence — biopsy is the tissue evidence that convicts the cancer.
Why it works
Rhyme creates a phonological loop in working memory, and the courtroom analogy anchors the concept of definitiveness in a familiar legal framework.
Example usage
NLE question: 'What is the definitive diagnostic test for cancer?' Biopsy — the tissue evidence that convicts the cancer in court.
Recall trigger
Court trial — you need TISSUE EVIDENCE to convict. Biopsy = the conviction evidence.
Tumor Markers — PSA, CA-125, CEA, AFP and their cancers
Memory aid
Visualize four Filipino food stalls in a palengke (market), each selling a specific product: Stall 1 — PSA Prostate Sausages (PSA = Prostate cancer). Stall 2 — CA-125 Ovarian Kalamay (CA-125 = Ovarian cancer; the oval shape of kalamay = ovary). Stall 3 — CEA Colorectal Champorado (CEA = Colorectal cancer; C for Colorectal, C for Champorado). Stall 4 — AFP Liver and Testicular Atsuete Fish balls (AFP = liver cancer and testicular cancer; fish = liver, fish live in water). Walk through this palengke market in your mind to recall every marker.
Why it works
Method of loci (memory palace) using the familiar palengke setting. Each food item creates a sensory hook (taste, smell, visual) for a dry clinical fact.
Example usage
NLE question: 'Which tumor marker is used to monitor ovarian cancer?' Walk to Stall 2 — CA-125 Ovarian Kalamay.
Recall trigger
Walk through the palengke market of tumor markers.
Tumor markers are used to MONITOR treatment and recurrence, NOT for initial diagnosis
Memory aid
Tumor markers are like the battery indicator on your cellphone. They don't tell you what BRAND of phone you have (they cannot diagnose which cancer it is definitively), but they tell you how CHARGED it is — is the cancer growing or shrinking? You use the battery gauge during treatment to monitor if the cancer is responding (going down) or relapsing (going up). For diagnosis, you open the phone and look inside — that's the biopsy.
Why it works
Cellphone battery indicators are checked dozens of times daily by students, making this an ultra-high-frequency mental image that reinforces the monitoring-not-diagnosis concept.
Example usage
NLE question: 'A patient's CA-125 level is being checked every 3 months after chemotherapy. What is the primary purpose of this test?' Battery gauge — monitoring treatment response and recurrence, not initial diagnosis.
Recall trigger
Cellphone battery gauge — monitors, doesn't diagnose.
Primary Prevention vs. Secondary Prevention
Memory aid
Primary Prevention = STOP IT FROM STARTING. Secondary Prevention = CATCH IT EARLY. Use the jeepney traffic metaphor: Primary = Install a traffic light BEFORE the accident (no tobacco, HPV vaccine, sun protection — stop the cancer before it starts). Secondary = Have an ambulance READY and FAST after the crash (Pap smear, mammography, colonoscopy — detect cancer early so it is curable). Remember: 1st = Stop; 2nd = Screen.
Why it works
The first-before/second-after sequence is intuitive. The jeepney traffic scenario is culturally grounded and maps prevention levels onto a familiar public safety context.
Example usage
NLE question: 'A nurse conducts a mammography screening program. Which level of prevention does this represent?' Ambulance ready after the crash — Secondary Prevention.
Recall trigger
Traffic light (primary) vs. ambulance (secondary).
Skin cancer ABCDE rule for mole assessment
Memory aid
Use the story of a Beauty Queen judge scoring a mole in a beauty pageant: A = Asymmetry (one half doesn't match — disqualified!), B = Border (edges are ragged and irregular — no sash for you!), C = Color (multiple colors in one mole — not uniform enough!), D = Diameter over 6mm (bigger than a pencil eraser — too large!), E = Evolving (it's changing over time — the judges are worried!). A suspicious mole fails the beauty pageant.
Why it works
Beauty pageants are a highly resonant Filipino cultural institution (Miss Universe, Bb. Pilipinas). Framing the ABCDE criteria as judging criteria creates a rich, emotionally vivid memory scaffold.
Example usage
NLE question: 'Which finding in a mole warrants referral to a physician?' The ugly queen: Asymmetry, irregular Border, multiple Colors, Diameter over 6mm, or Evolving change.
Recall trigger
Beauty queen judge evaluating a mole — A, B, C, D, E criteria.
Leading cancers in the Philippines — Breast, Lung, Colorectal, Liver, Cervical
Memory aid
Remember the story of 'Brenda, the Lung, who Colored her Liver Cervically.' Brenda = BREAST cancer (No. 1 overall and in women). The Lung = LUNG cancer (No. 1 in men, linked to smoking). Colored = COLORECTAL cancer. Liver = LIVER cancer (linked to Hepatitis B, common in Philippines). Cervically = CERVICAL cancer (linked to HPV). Or use the acronym: BL-CLC = Breast, Lung, Colorectal, Liver, Cervical. Say 'BL-CLC' like 'Bilang (meaning count) C-L-C' — count the top Philippine cancers.
Why it works
Weaving the cancers into a silly character name and reinforcing with a Filipino word (bilang = count) creates two separate memory hooks for the same information.
Example usage
NLE question: 'What is the most common cancer among Filipino women?' Brenda goes first — Breast cancer.
Recall trigger
Brenda the Lung colored her liver cervically — BL-CLC.
RA 11215 — National Integrated Cancer Control Act (NICCA) 2019
Memory aid
Break it into chunks: RA 11215 → think '1-1-2-1-5.' Say it as: 'ONE-ONE, TWO-ONE-FIVE' or chunk as '11' (the jersey number of a popular basketball player) + '215' (the date February 15). Picture your favorite PBA player wearing jersey 11, celebrating a victory on February 15 because the Cancer Control Law just passed. The law is called NICCA — like a nickname. 'NICCA' = National Integrated Cancer Control Act, signed in 2019, created the Cancer Assistance Fund and a national cancer program under DOH.
Why it works
Chunking breaks the long number into manageable pieces. Attaching it to basketball and a date creates episodic memory hooks that are easier to retrieve than abstract numbers.
Example usage
NLE question: 'Which Philippine law established the National Integrated Cancer Control Program?' Picture jersey 11 on Feb 15 — RA 11215, NICCA, 2019.
Recall trigger
PBA jersey #11 celebrating on Feb 15 — RA 11215 = NICCA.
Carcinoma in situ (Tis) — confined to the layer of origin, earliest, most curable
Memory aid
Tis = the cancer is still 'TIS-ot' (Tagalog: confined/stuck inside). Carcinoma in situ is like a bata (child) who hasn't left the barangay yet. It is still inside the original tissue layer, has not broken through the basement membrane, and has not spread anywhere. 'In situ' literally means 'in place' — the cancer is still sitting in its original chair. Stage 0, still in its crib — easiest to cure because it hasn't gone anywhere.
Why it works
Linking 'situ' to 'tisot' (Filipino slang for confined) and the barangay metaphor makes an unfamiliar Latin term feel familiar through language play and cultural grounding.
Example usage
NLE question: 'A Pap smear report shows CIN III, carcinoma in situ. What does this mean for the patient?' Tisot — the cancer is still in place, has not invaded, Stage 0, most curable.
Recall trigger
Tis = tisot, the bata who hasn't left the barangay.
HPV vaccine prevents cervical cancer; Hepatitis B vaccine prevents liver cancer
Memory aid
Picture a CERVIX-shaped letter V wearing an HPV vaccine badge — the V is for Vaccine AND for Cervix. Now picture a LIVER-shaped shield with a Hepatitis B vaccine stamped on it. These two vaccines are the ultimate cancer shields in the nurse's prevention toolkit. In the Philippines, both vaccines are part of the DOH national immunization program — the nurse's job is to counsel families to complete the series. HPV = Cervical shield; Hep B = Liver shield.
Why it works
Pairing each vaccine with a visual shield tied to the specific organ it protects creates a direct, logical visual association that eliminates confusion between the two vaccines.
Example usage
NLE question: 'Which vaccine is a primary prevention measure for cervical cancer?' V-shaped cervical shield — HPV vaccine.
Recall trigger
V-shaped cervical shield (HPV) and liver-shaped shield (Hep B).
Revision game
I am the gatekeeper of the cell cycle. When I am mutated, the brakes fail and cells divide without stopping. Scientists call me the 'guardian of the genome.' Who am I?
Answer
Tumor suppressor gene p53
Memory link
A3 — The tricycle with cut brake lines
I am the stage of carcinogenesis that your nurse can still stop. I am the fanning of the flame. Remove the fans — tobacco, alcohol, and hormones — and I go away. What stage am I?
Answer
Promotion (the reversible stage of carcinogenesis)
Memory link
A2 — The barbecue grill analogy
I am the palengke stall selling oval-shaped kalamay. I am a blood test used to monitor a cancer that begins in a round, almond-shaped organ in a woman's pelvis. What tumor marker am I and what cancer do I monitor?
Answer
CA-125; Ovarian cancer
Memory link
A13 — The palengke tumor marker market
A biopsy report says 'Grade 4.' The cells look nothing like normal tissue. They have lost all resemblance to their organ of origin. What word describes this cellular appearance, and is this good or bad news for the patient?
Answer
Anaplastic (undifferentiated); Bad news — Grade 4 is the most aggressive grade with worst prognosis
Memory link
A7 — The nursing school dropout analogy
I am the ONLY test that gives a DEFINITIVE diagnosis of cancer. Imaging, tumor markers, and physical examination all point to me, but only I can confirm the truth. What am I?
Answer
Biopsy (histologic tissue examination)
Memory link
A12 — Court trial, tissue evidence to convict
In the Philippines, I am the most common cancer in women and the most common cancer overall. My primary screening tool is a self-examination and a specialized imaging test. What cancer am I and what is my imaging screen?
Answer
Breast cancer; Mammography (plus breast self-examination)
Memory link
A17 — Brenda goes first in BL-CLC
I am the Philippine law signed in 2019 that established a national cancer control program, created the Cancer Assistance Fund, and empowered the DOH to lead cancer prevention, detection, and treatment nationwide. Cite me correctly.
Answer
Republic Act 11215, the National Integrated Cancer Control Act (NICCA), 2019
Memory link
A18 — PBA jersey #11, February 15
A patient with known breast cancer presents with severe back pain and new onset confusion. A bone scan and CT head are ordered. Based on the most common sites of metastasis, which two sites are the team most concerned about?
Answer
Bone metastasis (causing back pain) and Brain metastasis (causing confusion) — remember Lazy Lions Bite Bones
Memory link
A9 — Lazy Lions Bite Bones: Lung, Liver, Bone, Brain
Formula mnemonics
TNM Stage Grouping: Stage 0 = Tis N0 M0; Stage I = T1 N0 M0; Stage II = T2 N0 M0; Stage III = T3 or N+ M0; Stage IV = Any T Any N M1
Mnemonic
0 = Zero spread, still in situ (TISOT); I = 'Isa lang' — small tumor, no nodes, no spread; II = 'Dalawa na' — bigger tumor but still local; III = 'Tatlo at advanced' — nodes involved or larger local spread; IV = 'Forever spread' — M1, distant metastasis, worst.
When to use
Use the TNM grouping whenever a question asks about staging, prognosis, or treatment planning. Stage IV (M1) always means distant metastasis is present and carries the worst prognosis.
What each part means
T = size and extent of primary tumor (T1 smallest → T4 largest; Tis = in situ). N = regional lymph node involvement (N0 = none; N1-N3 = increasing spread). M = distant metastasis (M0 = absent; M1 = present). Stage groupings combine these to give an overall disease stage from 0 (earliest) to IV (most advanced).
Tumor Marker Panel: PSA → Prostate; CA-125 → Ovary; CEA → Colorectal; AFP → Liver and Testicular
Mnemonic
PACE: PSA = Prostate, A (CA-125) = Abdomen/Ovary, CEA = Colon/Rectum, end with AFP = Liver and Testis. 'PACE yourself through the tumor markers.'
When to use
Apply the PACE formula when NLE questions ask which tumor marker is associated with a specific cancer, or what the purpose of a tumor marker is in patient management (monitoring, not diagnosing).
What each part means
PSA (Prostate-Specific Antigen) is elevated in prostate cancer. CA-125 (Cancer Antigen 125) is elevated in ovarian cancer. CEA (Carcinoembryonic Antigen) is elevated in colorectal (and some breast/lung) cancers. AFP (Alpha-Fetoprotein) is elevated in hepatocellular carcinoma and testicular germ cell tumors. All markers are used primarily for monitoring treatment response and detecting recurrence, not for initial definitive diagnosis.
ABCDE Rule for Melanoma: A=Asymmetry, B=Border, C=Color, D=Diameter >6mm, E=Evolving
Mnemonic
A Beauty Contest Doesn't Evolve — any mole that breaks the beauty pageant rules (Asymmetric, Bad Border, Colorful, Diameter too big, Evolving) should be referred immediately.
When to use
Use when assessing skin lesions, teaching skin self-examination, or when a question involves a changing mole or suspected melanoma.
What each part means
A = One half of the mole does not match the other. B = Edges are ragged, notched, or blurred. C = Variation in color (shades of brown, black, red, white, or blue). D = Diameter greater than 6 mm (about the size of a pencil eraser). E = The mole is changing in size, shape, color, or any new symptom (bleeding, itching). Any positive ABCDE finding is a red flag.
Quick recall chains
Steps of Carcinogenesis in Order
Recall test
Without looking, name the three stages of carcinogenesis in order and identify which one is reversible.
Memory chain
IPP = 'I Promo ang Progreso' (I promote progress — a Filipino ambition). Initiation is the first spark, Promotion is the marketing push (reversible!), Progression is the full business empire that has expanded everywhere. The key word is that Promotion is REVERSIBLE — if you stop the promoters (tobacco, alcohol), you can stop the cancer from progressing.
Items to remember
- Initiation — irreversible DNA mutation by a carcinogen
- Promotion — repeated exposure causes mutated cell to proliferate (reversible)
- Progression — tumor grows, develops angiogenesis, invades, and metastasizes
CAUTION Warning Signs of Cancer
Recall test
Close your eyes and recite all 7 CAUTION warning signs without looking. Can you do it in under 20 seconds?
Memory chain
The Filipino traffic enforcer shouts 'CAUTION!' and lists all seven before letting the jeepney pass: Change lanes → A sore is blocking the road → Unusual discharge from the engine → Thick oil lump → Indigestion (engine sputtering) → Obvious wart on the hood → Nagging engine cough. The jeepney cannot move until all seven are cleared.
Items to remember
- C — Change in bowel or bladder habits
- A — A sore that does not heal
- U — Unusual bleeding or discharge
- T — Thickening or a lump
- I — Indigestion or difficulty swallowing
- O — Obvious change in a wart or mole
- N — Nagging cough or hoarseness
Tumor Markers and Their Associated Cancers
Recall test
A patient has elevated CA-125. Which organ is most likely affected? Which stall in the palengke sells CA-125?
Memory chain
Walk through the PALENGKE (market): Stall 1 sells PSA Prostate Sausages. Stall 2 sells CA-125 Ovarian Kalamay (oval shape = ovary). Stall 3 sells CEA Colorectal Champorado. Stall 4 sells AFP Atsuete Fish balls for Liver and Testicular cancers. Walk through the palengke every time you need to recall markers.
Items to remember
- PSA — Prostate cancer
- CA-125 — Ovarian cancer
- CEA — Colorectal cancer
- AFP — Liver and Testicular cancers
Leading Cancers in the Philippines (BL-CLC)
Recall test
Without notes, name the five most common cancers in the Philippines in order. Which is the most common in Filipino women?
Memory chain
Brenda (Breast) went to the Lung specialist who told her to Color (Colorectal) her Liver Cervically (Liver, Cervical). BL-CLC — say it fast: 'BILANG CLC' (count C-L-C). Breast is always first — she is the leader.
Items to remember
- Breast — No. 1 overall and in women
- Lung — strongly linked to smoking, leading in men
- Colorectal
- Liver — linked to Hepatitis B
- Cervical — linked to HPV
Benign vs. Malignant Key Differences
Recall test
Rapid fire: Does a benign tumor metastasize? Is a malignant tumor encapsulated? Which type is anaplastic?
Memory chain
BOTTLE vs. MOSQUITO: Benign is safely BOTTLED (Encapsulated), Beautified (well-Differentiated), Behaved (slow growth), stays put (no metastasis), rarely Bounces back (rare recurrence). Malignant MOSQUITO: no container (not encapsulated), Mangled appearance (anaplastic), Multiplies fast, Moves to other areas (metastasizes), Marauds back (common recurrence). B-B-B-B-B for Benign; M-M-M-M-M for Malignant.
Items to remember
- Benign: encapsulated, well-differentiated, slow growth, no metastasis, rarely recurs
- Malignant: non-encapsulated, poorly differentiated/anaplastic, rapid growth, metastasizes, frequently recurs
Diagrams
Cancer Pathophysiology, Prevention and Detection — Master Mind Map
A comprehensive mind map showing all major topic clusters in the chapter. Use this as your study roadmap: start from the center and trace each branch to check which areas you know and which need more review. The branching structure mirrors how the brain naturally organizes hierarchical information.
Carcinogenesis: From Normal Cell to Metastatic Cancer
This flowchart maps the entire journey from a normal cell to metastatic cancer. The diamond decision boxes highlight the two critical branching points: whether a carcinogen causes initiation, and whether promoter exposure drives the mutated cell into proliferation. Note that promotion (the reversible stage) is where prevention has its greatest impact. The final branching shows the four routes of metastatic spread.
Cancer Prevention Pathway: Primary vs. Secondary
This clinical decision flowchart traces the nurse's prevention and detection pathway. Left-to-right flow shows that primary prevention reduces risk before cancer starts, while secondary prevention (screening) catches cancer early. The endpoint reinforces that biopsy is the definitive diagnostic step after an abnormal screening result, followed by staging and grading to guide treatment.
TNM Staging: Disease Progression States
This state diagram shows cancer as a progression of discrete stages, reinforcing that staging describes WHERE the disease is in the body. Stage 0 (carcinoma in situ = Tis) is the earliest and most curable. Stage IV (M1) indicates distant metastasis and the worst prognosis. Use this diagram to recall the TNM combinations for each stage.
Distribution of Leading Cancers in the Philippines
This pie chart provides a visual representation of the relative proportion of the five leading cancers in the Philippines (approximate values for educational illustration). Breast cancer dominates as the largest slice, reinforcing its status as the most common cancer overall. Liver cancer occupies a significant portion, reflecting the high prevalence of Hepatitis B in the Philippine population. Use this visual to quickly recall rankings and associated risk factors.
Key Milestones in Philippine Cancer Control
This timeline anchors the legal and programmatic milestones of Philippine cancer control in chronological order. The critical NLE-relevant point is 2019 — RA 11215 (NICCA) — which established the national integrated cancer control program and created the Cancer Assistance Fund. Nurses operate within this legislative framework when implementing community cancer prevention and early detection programs.