Figure 4From: A case study of a collision tumor composed of cancers of the bile duct and pancreasThe pancreatic head tumor and the tumor at the confluence of the cystic duct. Pathologic examination revealed a well-differentiated tubular adenocarcinoma in the bile duct (a) (H.E., ×40), which was p53-positive (b), and a moderately differentiated tubular adenocarcinoma in the pancreatic duct (c) (H.E., ×40), which was p53-negative (d).Back to article page