Colonoscopy | NIDDK
https://www.niddk.nih.gov/health-information/diagnostic-tests/colonoscopy
Colonoscopy is a procedure in which a doctor uses a colonoscope or scope, to look inside your rectum and colon. Colonoscopy can show irritated and swollen tissue, ulcers , polyps , and cancer . How is virtual colonoscopy different from colonoscopy?
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