Researchers: Colonoscopy no more effective than sigmoidoscopy
Quick ReadColonoscopy appears no better at helping to reduce deaths from colorectal cancer than a less invasive test, researchers say.
Colonoscopy, for 20 years a recommended form of screening to catch precancerous polyps, appears no better at helping to reduce deaths from colorectal cancer than a less invasive test, say researchers in Manhattan who are calling for more extensive study of the two techniques.
Drs. Alfred Neugut and Benjamin Lebwohl of Columbia University's public health school say there is no evidence to prove...
