Fig. 1From: A peripheral primitive neuroectodermal tumor originating from the pancreas: a case report and review of the literatureContrast-enhanced CT of the abdomen. a The tumor was located mainly in the uncinate process of the pancreas and invaded the duodenum. The oral side of the duodenum was expanded. b The tumor excluded the inferior vena cava with no evidence of direct invasion. c The arterial phase: the tumor completely enclosed some intestinal branches. d The portal phase: there was no evidence of portal invasionBack to article page