Take this quiz to test your knowledge about colon cancer, treatments, and other important colon cancer information. Quiz takes less than 1 minute to complete. Colorectal cancer usually begins as a noncancerous growth called a polyp that develops on the inner lining of the colon or rectum and grows slowly, over a period of 10-20 years. True FalseHint Is the colorectal cancer incidence rate approximately 30% higher in men than in women? Yes NoHint Up to 30% of colorectal cancer patients have a family history of the disease, about 5% of which are due to an inherited genetic abnormality. True FalseHint Physical activity is strongly associated with a reduced risk of colon cancer, but not rectal cancer. True FalseHint Regular colon cancer screening is often recommended for people age 50 and older, True FalseHint Almost Done! Your Results are on the Next Page.