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upper endoscopy (...en-DOSS-koh-pee)

 Examination of the inside of the stomach using an endoscope, passed through the mouth and esophagus. An endoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease. Also called gastroscopy.

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Upper endoscopy; shows endoscope inserted through the mouth and esophagus and into the stomach. Inset shows patient on table having an upper endoscopy.




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