The FDA approved Guardant Health's Shield blood test for colon cancer screening, making it likely to be covered by Medicare and private insurers. It is effective at detecting later-stage cancers but not early-stage polyps. A positive result requires follow-up with a colonoscopy. Doctors see potential for increased screening rates, but its impact on reducing mortality remains to be seen.from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/cJx218e
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