Lower GI Endoscopy (Sigmoidoscopy or Colonoscopy)31256
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ANCE00175 02:59

A lower GI endoscopy, also known as sigmoidoscopy or colonoscopy, is depicted, showing the placement of an endoscope in the large colon (bowel) during a colonoscopy procedure. During a colonoscopy a biopsy is sometimes preformed to distinguish between benign and cancerous tissue.

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