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In 2002, the U.S. Preventive Services Task Force (USPSTF) recommended colorectal cancer (CRC) screening in all adults aged ≥50 using fecal occult blood testing (FOBT), flexible sigmoidoscopy, both FOBT and sigmoidoscopy, colonoscopy, or barium enema. Now, the USPSTF has updated its recommendations, based on a thorough review of the risks and benefits of the various screening methods and testing intervals. Major changes are as follows:
The USPSTF no longer recommends routine CRC screening for adults aged >75, particularly when previous testing has been negative, because the risk for morbidity related to the screening procedures outweighs the benefits. The Task Force also advises that competing causes of mortality make realization of CRC scree…