Source:http://linkedlifedata.com/resource/umls/id/C1368066
NCI: A neuroendocrine tumor arising from the pancreas. It is characterized by inappropriate secretion of gastrin and associated with Zollinger Ellison syndrome. The latter is characterized by the presence of peptic ulcer, gastroesophageal reflux disease, abdominal pain, diarrhea, and malabsorption.,NCI: A usually malignant gastrin-producing neuroendocrine tumor arising from the pancreas. It may or may not be associated with inappropriate secretion of gastrin and an associated clinical syndrome.