CC STUDIO / SCIENCE PHOTO LIBRARY CC STUDIO / SCIENCE PHOTO LIBRARY
Colonic polyp. Colonoscope (endoscope) view of a large (8 centimetre) benign (non-cancerous) polyp in a patient's colon (large intestine). If the polyp causes discomfort, for instance by obstructing the flow of food along the intestine, it is removed surgically.
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