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Explain of Gastrointestinal Pathology

100.Colon, adenomatous polyp (tubular adenoma), gross

Here is a small adenomatous polyp in the middle of the colon seen here. It has smooth surfaces and is discreet. These are common. Small ones are virtually always benign. Those larger than 2 cm carry a much greater risk for development of a carcinoma.

（本图片资料来源自美国犹他大学）