Vipoma, also known as pancreatic cholera, is related to pancreatic vasoactive intestinal peptide producing tumor and malignant pheochromocytoma, and has symptoms including diarrhea An important gene associated with Vipoma is VIP (Vasoactive Intestinal Peptide), and among its related pathways/superpathways are Class A/1 (Rhodopsin-like receptors) and GPCR downstream signalling. The drugs Gefitinib and Sorafenib have been mentioned in the context of this disorder. Affiliated tissues include pancreas and thyroid, and related phenotypes are hypokalemia and neoplasm of the pancreas