CAMAL, ISM / SCIENCE PHOTO LIBRARY CAMAL, ISM / SCIENCE PHOTO LIBRARY
Colonic polyp, endoscope view. This is a pedunculated (stalked) polyp in the sigmoid colon, part of the large intestine. Such polyps are benign (non-cancerous) growths that arise from the lining of the colon. Although benign, polyps are generally removed surgically as their growth may obstruct the passage of food, and some polyps do turn cancerous over time.
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