A colonoscopy is a medical procedure used to examine the inside of the colon, which is the large intestine, and rectum. During the procedure, a long, flexible tube with a camera on the end, called a colonoscope, is gently inserted through the rectum and into the colon. The camera allows doctors to view and take pictures of the colon's lining on a monitor. Colonoscopies are commonly used to check for signs of conditions such as colorectal cancer, polyps, or inflammation. They are also used to investigate symptoms like abdominal pain, bleeding, or changes in bowel habits. The procedure can help diagnose issues early and guide treatment decisions.

“colonoscopy”的英语定义和含义

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