Fig. 2From: First case report of neoadjuvant gemcitabine and S-1 for locally advanced unresectable duodenal adenocarcinomaContrast enhanced abdominal computed tomography. a Before chemotherapy, axial view. The tumor was at the second portion of the duodenum (arrow). The lumen of the duodenum and the common bile duct was almost obstructed. b Before chemotherapy, coronal view. c After 3 courses of chemotherapy, axial view. The size of the tumor had decreased (arrow). d After 3 courses of chemotherapy, coronal view. e After 6 courses of chemotherapy, axial view. The tumor had extremely shrunken and was not detected (arrow). f After 6 courses of chemotherapy, coronal viewBack to article page