DR LARPENT / G.R.E.H.G.E.P. / SCIENCE PHOTO LIBRARY DR LARPENT / G.R.E.H.G.E.P. / SCIENCE PHOTO LIBRARY
Colonic polyp, endoscope view. Polyps are benign growths. They often cause no symptoms, but may cause discomfort and obstruct the passage of food through the intestine. Some colonic polyps may turn cancerous (malignant), and they are often removed surgically to prevent this occurring.
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