A colonoscopy is a procedure in which a doctor examines the lining of the large intestine, which is the colon, rectum, and anus, and removes abnormal growths, called polyps. A long, flexible tube equipped with a tiny video camera is inserted through the rectum into the colon. The camera displays images of the inside of the colon on a video monitor, allowing your doctor to detect any abnormal growths, which may be precancerous or cancerous. Colonoscopies are generally performed as part of a ... [Read More]