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Quiz: Introduction to Colorectal Cancer

  1. It is estimated that 147,500 new cases of colorectal cancer will be diagnosed in 2003, 2/3 in men and 1/3 in women.
  2. Some 30 percent of colorectal malignancies occur in those who are under age 40.
  3. The exact cause of colorectal cancer is unknown, but at least eight different genes can be traced to dietary fat, particularly animal fat.
  4. People over 65 are at risk of developing colorectal cancer.
  5. Familial or multiple polyposis is a disease occurring in some families that consists of multiple adenomatous polyps of the colon which have high malignant potential.
  6. Women are more likely to develop anal cancer than men.
  7. The early signs of colorectal cancer are very different from those symptoms caused by other gastrointestinal illnesses, such as influenza, ulcers, and colitis (an inflammation of the colon).
  8. Some signs of rectal cancer are: 1) blood in the stool, 2) diarrhea, 3) a sense of bowel movement urgency, and 4) feeling of inadequate emptying of bowel.
  9. In general, colorectal cancers tend to be rapidly growing, quickly enlarging, and then penetrating the bowel wall.
  10. More than half of patients diagnosed with Stage III colorectal cancer survive for 5 years post diagnosis.