google查到的:

来源: 2024-06-01 09:16:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

Colon Polyps: Symptoms, Causes, Types & Removal (clevelandclinic.org)

Colon polyps are common, especially as you get older. They affect about 20% of adults overall and about 40% over the age of 50, as well as 6% of children. People of all ethnicities and genders are at risk of colon polyps and colon cancer. They’re slightly more common in Western nations, in general.