A single examination of the lower colon and rectum using sigmoidoscopy, between the ages of 55 and 64 years, reduced colorectal cancer mortality by 43% in those screened and incidence by one third.

Fecal occult-blood testing and sigmoidoscopy have been recommended for screening for colorectal cancer, but the sensitivity of such combined testing for detecting neoplasia is uncertain. At 13 ...

A sigmoidoscopy is a procedure that lets your doctor look inside your sigmoid colon. Similar to a colonoscopy, it uses a flexible tube, a small camera, and a light and helps diagnose conditions like ...