NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,780 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.

esophageal reflux
(ee-SAH-fuh-JEE-ul REE-flux)
The backward flow of stomach acid contents into the esophagus (the tube that connects the mouth to the stomach). Also called gastric reflux and gastroesophageal reflux.