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A colonoscopy allows the doctor to look inside the colon, the lower portion of the GI tract and that is about 5 feet long. Your doctor will use a small flexible tube to do a visual inspection of the inside of your colon and may also do a biopsy and remove any polyps (small growths) found inside your colon during the procedure.

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National Jewish Health authors free downloadable patient education materials to provide you and your family the information and tools to help manage your disease. They include Understanding Booklets, Med Facts, Test Facts, Medication handouts and more.