How is colonoscopy used as a screening tool?

Answer:
Colonoscopy is being used increasingly as a screening tool in both asymptomatic patients and patients at risk for colon cancer. It has been recommended as a screening test in all people 50 years or older.
First answer by Gale Ency. of Surgery. Last edit by Gale Ency. of Surgery. Contributor trust: 10 [recommend contributor recommended]. Question popularity: 2 [recommend question].