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Internal view of the large bowel with a continuous flexible endoscope running through the rectum to the caecum; the camera, endoscope and bowel wall are labelled. — Medical illustration · Bo Dòkter Enlarge image (new tab)

Stomach, bowel and liver

Colonoscopy

During a colonoscopy, a doctor examines the inside of the large bowel using a thin, flexible tube with a camera.

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