No: A sigmoidoscopy allows viewing of the rectum, sigmoid colon and occasionally the last part of the descending colon. This is about 25% of the colon and leaves 75% of colon unexamined and at theoretical risk for cancer
Answered 9/29/2016
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Not really: Sigmoidoscopy looks at the sigmoid colon. However there is still that possibility that there may be something in the say cecum for which colonoscopy is a good way to check out that region
Answered 8/9/2014
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