癌是由息肉变的。肠镜主要是为了除掉息肉，防患于未然。岁数大点的，有接近一半的人有肠道息肉。

来源: 湖西于 2026-01-11 12:12:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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