Colonoscopy procedure A colonoscopy is an important procedure for detecting colorectal cancer in those at high risk or over the age of 50. A colonoscopy usually takes 30–60 minutes. However, people ...
Medically reviewed byJimmy Almond, M.D. Colonoscopy is the most widely used screening test for colon cancer, which is the second leading cause of cancer-related death in the United States. It is ...
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