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Colorectal Cancer Screening

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Colorectal Cancer Screening

Overview

What is colon cancer?

Colon cancer happens when cells that are not normal grow in your colon. These cells often form in polyps, which are small growths in the colon. Not all colon polyps turn into cancer. But most colon cancer starts in a polyp.

Your risk for colorectal cancer gets higher as you get older.

Who should be screened for it?

Your risk for colorectal cancer gets higher as you get older. Experts recommend starting screening at age 45 for people who are at average risk. Talk with your doctor about your risk and when to start and stop screening.

How often you need screening depends on the type of test you get:

  • Stool tests. Every year for FIT or gFOBT.
  • Tests that look inside the colon. Every 5 years for sigmoidoscopy. (If you do the FIT test every year, you can get this test every 10 years.)

Experts agree that people at higher risk may need to be tested sooner and more often. This includes people who have a strong family history of colon cancer. Talk to your doctor about which test is best for you and when to be tested.

Credits

Current as of: October 19, 2023

Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.