DNA test shows promise for noninvasive colorectal cancer detection

 - cancer
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Exact Sciences has developed a stool-based screening test that detected 92 percent of cancers found on colonoscopy and 42 percent of precancerous polyps. The results fell shy of the company’s goal of a 50 percent polyp detection rate, according to an article in the New York Times; however, Exact Sciences indicated it plans to file for FDA approval of its Cologuard test.