At recruitment we presented a case of a 62 year old male with >4 weeks of >1L per day stool. He was ultimately diagnosed with a VIPoma. Remember that this is an extremely rarely disease and you need to rule out other more common causes of secretory diarrhea first. Additionally, it is important to think broadly about diarrhea and distinguish between watery, inflammatory and fatty. There are diseases that can cause overlap such as IBD and certain infectious causes.