An improved stool DNA test is simpler and offers high sensitivity in screening for colorectal cancer, according to a report in the American Journal of Gastroenterology. Researchers say stool DNA now is included among screening recommendations so this test is a viable option for people who prefer a less-invasive method than colonoscopy. The improved screen had similar success rates as earlier versions in identifying cancer but was easier to perform, cheaper and suitable for use in local labs.

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