A growth that protrudes out of the lining of the rectum or colon. Polyps are usually benign, but over time they may become cancerous. A colonoscopy helps prevent the polyps from becoming cancerous, as they offer a firm diagnosis of the polyp and lead to chances of truncating growth and eliminating complications. Symptoms of colorectal polyps include rectal bleeding, blood stools, abdominal pain, and fatigue. Constipation and diarrhea can also be associated. In certain cases a polyp can be so large that it blocks the gastrointestinal tract and can cause nausea, vomiting, and severe constipation. Polyps can be removed during a colonoscopy or sigmoidoscopy.
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