Abstract VOL: 99, ISSUE: 30, PAGE NO: 27 WHAT IS IT? - A rigid tube (or proctoscope) accompanied by a light source used to examine the rectum and sigmoid colon in investigations into lower ...
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Although overall colorectal-cancer mortality was reduced by 26%, the benefit of screening flexible sigmoidoscopy was limited to the distal colon, for which there was a 50% reduction in mortality.
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