Neuroendocrine cancers are a group of cancers that start in the neuroendocrine system. Doctors might also call them neuroendocrine neoplasms (NENs). But the terms mean the same thing. There are 2 key ...

Background A 64-year-old woman presented to the emergency room with a 3-month history of intermittent abdominal cramps, accompanied by nausea, vomiting, anorexia, and decreased bowel movements ...