Colorectal Cancer Screening Tests | Sigmoidoscopy & Colonoscopy
https://www.cancer.org/cancer/types/colon-rectal-cancer/detection-diagnosis-staging/screening-tests-used.html
WebTo see a visual animation of a colonoscopy as well as learn more details about how to prepare for the procedure, how the procedure is done, and potential side effects, see Colonoscopy. This test is different from a virtual colonoscopy (also known as CT colonography ), which is a type of CT scan .
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