Dictionary of Cancer Terms
View in Spanish: Gastroscopia
Gastroscopy (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.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.