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What is the purpose of a colonoscopy?

A colonoscopy is a visual inspection of the colon through a scope, says Joseph Thornton, MD, a colorectal surgeon at Sunrise Hospital. In this video, he says that doctors look for polyps and remove them in colonoscopy. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.