Oh, now these are my favorite. When I first diagnosed I have one every 3 months for 2 years. I can’t tell you how much these little tests SUCK! A colonoscopy is an exam used to detect changes or abnormalities in the large intestine (colon) and rectum. Colonoscopy is generally considered the gold standard for colon cancer screening.
During a colonoscopy, a long, flexible tube (colonoscope) is inserted into the rectum. A tiny video camera at the tip of the tube allows the doctor to view the inside of the entire colon. If necessary, polyps or other types of abnormal tissue can be removed through the scope during a colonoscopy. Tissue samples (biopsies) can be taken during a colonoscopy as well.
My Crohnstipated Life 
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