Cancer involves the uncontrolled growth of abnormal cells that have mutated from normal tissues. This growth can kill when these cells prevent normal function of vital organs or spread throughout the body, damaging essential systems. Colon and rectum cancers, which are sometimes referred to together as “colorectal cancer,” arise from the lining of the large intestine. When cancer arises from the lining of an organ like the large intestine, it is called a carcinoma.

Cancer of the colon or rectum is the third most common type of cancer for both men and women (after breast and lung for women, and prostate and lung for men). According to the American Cance
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