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Colorectal Cancer Health Center

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Colorectal Cancer - Cause

Most cases begin as polyps camera.gif, which are small growths inside the colon or rectum. Colon polyps are very common. Some polyps can turn into cancer. But doctors can't tell ahead of time which polyps will turn into cancer. This is why people age 50 and older need regular tests to find out if they have any polyps and then have them removed.

Some people who are younger than 50 need regular tests if their medical history puts them at increased risk for colorectal cancer.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: January 21, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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