息肉癌变
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Objective: To explore the characteristics of colorectal polyps in colonoscopy and the law of malignant polyps.
目的：探讨大肠息肉的肠镜特征及息肉恶变的相关规律。
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But almost all colon cancers begin as benign polyps that gradually become malignant over about 10-15 years.
FORBES: Dr. Oz's Shameless Play For Ratings Discourages Life Saving Procedure While Demeaning True Cancer Survivors
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