A vasoactive intestinal peptide (VIP) producing tumor give rise to a constellation of signs and syndrome known as Pancreatic cholera disease. It is also known as Verner-Morrison or WDHA syndrome. WDHA syndrome is an acronym for signs and symptoms produced as a result of VIPoma. It refers to Watery Diarrhea – Hypokalemia – Achlorhydria. Reference: https://en.wikipedia.org/wiki/VIPoma Image via: https://www.researchgate.net/figure/Patient-with-VIPoma-caused-by-pancreatic-neuroendocrine-tumor-in-the-pancreatic-tailand_fig6_233838802