disease has feature gastric ulcer gastrin secretion abnormality neoplasm duodenal neuroendocrine tumor, well differentiated, low or intermediate grade Zollinger-Ellison syndrome https://www.malacards.org/card/zollinger_ellison_syndrome Zollinger-Ellison syndrome (disease) HP:0002044 pancreatic ulcerogenic tumour syndrome DOID:0050782 MEDGEN:53129 Zollinger-Ellison syndrome (ZES) is characterized by severe peptic disease (ulcers/esophageal disease) caused by hypergastrinemia secondary to a gastrinoma resulting in increased gastric acid secretion. icd11.foundation:375645550 SCTID:53132006 NCIT:C3453 GARD:0007918 Orphanet:913 gastrinoma MESH:D015043 EFO:0007549 NORD:1877 SCTID:302824004 Zollinger-Ellison syndrome UMLS:C0043515 MONDO:0019610 Z E syndrome MedDRA:10017852 pancreatic ulcerogenic tumor syndrome Zollinger Ellison syndrome Z-E syndrome ZES pancreatic neuroendocrine tumor neoplastic syndrome