Colonoscopy tied to lower risk of advanced cancer

NEW YORK (Reuters Health) – People who have had a colonoscopy in the past decade are less likely to be diagnosed with advanced colon cancer than those who haven’t been screened recently, according to a new study. Researchers found less-invasive tests, known as sigmoidoscopies, were also tied to a lower risk of advanced tumors – but only those growing in one side of the colon. It’s still not clear what that means for cancer survival, according to Dr. Chyke Doubeni, who led the new study at the University of Pennsylvania’s Perelman School of Medicine in Philadelphia. …