A screening procedure that uses a flexible tube with a camera to examine the entire colon and rectum. It's primarily used to detect colorectal cancer, polyps, and other abnormalities in the large intestine.
From Greek 'kolon' meaning 'large intestine' and 'skopein' meaning 'to examine.' The procedure specifically targets the colon for comprehensive visual inspection.
Colonoscopy is one of medicine's greatest success stories in cancer prevention, reducing colorectal cancer deaths by up to 70% when done regularly. The procedure can actually prevent cancer by removing precancerous polyps before they become malignant.
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