In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page

Widget

NCI Dictionary of Cancer Terms



gastroscopy  listen  (gas-TROS-koh-pee)

  Examination of the inside of the stomach using a gastroscope passed through the mouth and esophagus. A gastroscope 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 upper endoscopy.

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