disease has location small cell carcinoma neuroendocrine carcinoma ampulla of vater small cell neuroendocrine carcinoma https://www.malacards.org/card/ampulla_of_vater_small_cell_carcinoma GARD:0023833 MONDO:0004117 ampulla of Vater small cell NEC ampulla of Vater small cell carcinoma MEDGEN:233974 small cell neuroendocrine carcinoma of the ampullary region ampulla of Vater small cell neuroendocrine carcinoma ampullary small cell carcinoma DOID:7136 UMLS:C1332250 NCIT:C6655 hepatopancreatic ampulla small cell carcinoma An aggressive neuroendocrine carcinoma arising from the ampulla of Vater and the periampullary region. Morphologically, it is characterized by the presence of small malignant cells, necrosis, and a high mitotic rate. Signs and symptoms include jaundice, abdominal pain, anorexia, nausea, vomiting, and weight loss. liver neuroendocrine carcinoma carcinoma of the ampulla of vater duodenal neuroendocrine neoplasm hepatopancreatic ampulla