Fig. 2From: Neuroendocrine carcinoma of the common bile duct associated with congenital bile duct dilatation: a case report Macroscopic finding. a A 50-mm sessile irregular lesion (arrowhead) protruding into the lower common bile duct is observed. b Gross description of the short axis of the common bile duct. Tumor invasion into the pancreas (arrowhead)Back to article page