NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,798 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

esophagus
(ee-SAH-fuh-gus)
The muscular tube through which food passes from the throat to the stomach.

EnlargeGastrointestinal (digestive) system anatomy; drawing shows the esophagus, liver, stomach, small intestine, and large intestine.

The esophagus and stomach are part of the upper gastrointestinal (digestive) system.