Fig. 1From: A case report of carcinoma of the papilla of Vater associated with a hyperplasia–dysplasia–carcinoma sequence by pancreaticobiliary maljunctionEndoscopy and echography. (A) Esophagogastroduodenoscopy revealed a tumor of the papilla of Vater. (B, C) Endoscopic ultrasound and intraductal ultrasonography revealed that the tumor was located in the common channel and demonstrated no invasion of the duodenal muscular layer and pancreas. CBD, Common bile duct; MPD, Main pancreatic ductBack to article page