Colon cancer: Colonoscopy prevents colon cancer hence it is recommended as screening test at age 50 for people with average risk and age 40 if there is family history.
Answered 11/20/2019
6.3k views
Likely: Cancers start as polyps. Removing polyps decreases cancer risk, but no test guarantees finding every polyp.
Answered 10/22/2020
5.9k views
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