human
My doctor says I need a colonoscopy. How does this work?
assistant
A colonoscopy is a procedure that involves inserting a flexible tube into the rectum and colon to examine the inside of the colon for signs of disease or polyps. It can be performed in an outpatient setting with local anesthesia, sedation, or general anesthesia. The doctor will use a fiber-optic camera to view the colon, which allows them to see any abnormalities. After the examination, the doctor may remove any polyps they find.