FDA approves DNA based colorectal cancer screening tool

The Food and Drug Administration on Monday approved the first screening test for colon cancer that uses patients’ DNA to help spot potentially deadly tumors and growths.

The Cologuard test from Exact Sciences detects irregular mutations in stool samples that can be an early warning sign of cancer. Patients who test positive for the mutations should undergo a colonoscopy to confirm the results.

Read more of CBS News’ coverage of the story.