Figure 1From: Adenosquamous carcinoma of the ampulla of Vater - a rare disease at unusual locationThe gross and microscopic pictures of adenosquamous carcinoma of ampulla of Vater. (A) The specimen was a polypoid tumor in the ampulla of Vater that measured 3.4 cm × 2.2 cm with pancreatic invasion. (B) Microscopically, the tumor comprised squamous cell carcinoma (arrowhead) with some nets of adenocarcinoma (arrow).Back to article page