Colonoscopy And sigmoidoscopy entails inserting an endoscope into the large intestine throughout the anus. They are really generally performed by a gastroenterologist, a expert in diseases of the digestive process. A sedative is commonly utilised to cut back panic and soreness. The medical expression for an upper endoscopy is esophagogastroduodenoscopy. https://en.ezisurg.com/recommend-products/endoscopic-linear-cutter-staplers.html