Fig. 4From: Gastric adenocarcinoma at stage IV with complete remission after neoadjuvant therapy concurrent with adenosquamous carcinoma of the ampulla of Vater: a case report and literature reviewMRCP suggested the common bile duct and main pancreatic duct were suddenly narrowed at the duodenal ampulla (a). ERCP showed a bulging protrusion at the ampulla of Vater (b). PET/CT revealed an increased metabolic focus at the duodenal papilla area (c)Back to article page