Chapter 19. Cancer. Study Questions. What are characteristics of cancer cells? What are the 3 stages in the development of cancer? What is angiogenesis and metastasis? How do proto-oncogene and tumor-suppressor gene normally act and how can they become cancerous?
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Promotion – a tumor develops and cells within the tumor mutate
Progression – a cell mutates in such a way that allows it to invade surrounding tissueThe 3 phases in the development of cancer cells
Mod Pathol 2000;13(3):243–251
RetinoblastomaPhoto: Volker Klauss
Colonoscopy – every 5 years starting at age 50
Mammogram – yearly after age 40
Pap smear – should begin these 3 years after vaginal intercourse or no later than age 21
19.3 Diagnosis of cancerSome routine screening tests for cancer