Español
Questions About Cancer? 1-800-4-CANCER
  • Print
  • Facebook
  • Twitter
  • Google+
  • Pinterest

NCI Dictionary of Cancer Terms


upper endoscopy  listen  (UH-per en-DOS-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.

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