Glossary

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Colonoscopy: This test is similar to a flexible sigmoidoscopy (a thin flexible tube is inserted in the anus to view the colon), but it provides a view of the entire colon and allows the health care professional to perform a biopsy or polypectomy at a single setting; the procedure typically is performed in a hospital or physician's office, and the patient is given a sedative to alleviate discomfort.