NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,034 terms related to cancer and medicine.

Zollinger-Ellison syndrome
(ZOLE-lin-jer-EH-lih-sun SIN-drome)
A disorder in which tumors of the pancreatic islet cells produce large amounts of gastrin (a hormone), leading to excess acid in the stomach and, possibly, a peptic ulcer (ulcer of the stomach or the upper part of the small intestine).