What is Colonoscopy?
Colonoscopy is a test that allows your doctor to look at the inner lining of your large intestine (rectum and colon). He or she uses a thin, flexible tube called a colonoscope to look at the colon. A colonoscopy helps find ulcers, colon polyps, tumors, and areas of inflammation or bleeding.
Video Overview
This video presents “What is Colonoscopy?” — Colonoscopy is a test that allows your doctor to look at the inner lining of your large intestine (rectum and colon). He or she uses a thin, flexible tube called a colonoscope to look at the colon. A colonoscopy helps find ulcers, colon. Whether you are preparing for a procedure, studying the technique, or learning how a condition is assessed, the recording shows the process as it is performed in practice.
From our Gastroenterology collection: Endoscopy, colonoscopy, liver and digestive disorders — procedures and conditions explained step by step. Browse all Gastroenterology videos →
Educational content only — not a substitute for professional medical advice.
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