ampulla of vater squamous cell carcinoma (MONDO_0003490) is a carcinoma with squamous differentiation arising from the ampulla of Vater. Signs and symptoms include jaundice, abdominal pain, anorexia, nausea, vomiting, and weight loss. Also known as: ampulla of Vater squamous cell carcinoma, hepatopancreatic ampulla squamous cell carcinoma.