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Colon Cancer - Cancer that originates in tissues of any of the four sections of the colon. The colon is the first six feet of the large intestine (or large bowel). As part of the body’s gastrointestinal (digestive) system, the colon is a long, hollow tube that removes water and nutrients from digested food and turns the rest into waste (stool). Most colon cancers are adenocarcinomas, beginning in the intestinal gland cells that line the inside of the colon. A colonoscopy is a common medical procedure used to detect colon cancer, and is often recommended as a regular screening examination for adults aged 50 and above.
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