NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,041 terms related to cancer and medicine.
- 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.