Most colorectal cancers start as a growth on the inner lining of

来源: 于 2020-07-23 16:29:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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"Most colorectal cancers start as a growth on the inner lining of the colon or rectum. These growths are called polyps."

https://www.cancer.org/cancer/colon-rectal-cancer/about/what-is-colorectal-cancer.html#:~:text=Most%20colorectal%20cancers%20start%20as,type%20of%20polyp%20it%20is.