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- Also called proctosigmoidoscopy. A procedure in which the doctor looks inside the rectum and the lower portion of the colon (sigmoid colon) through a flexible, lighted tube called a sigmoidoscope. The doctor may collect samples of tissue or cells for closer examination and remove some polyps within view.
CDC: Centers for Disease Control and Prevention - Cite This Source - This Definition
- Browse Related Terms: Cancer, Colonoscope, Colonoscopy, Colorectal, Double-contrast barium enema, Polyp, Sigmoidoscope