Gross findings of the resected pyloric gland adenoma. The resected specimen comprised the common bile duct (star), the bifurcation into common hepatic duct (arrow) and cystic duct with attached gallbladder (A). Cross sections revealed an intraluminal tumour of 2.5 cm length and 2 cm in diameter developing in the cystic duct (B), and protruding into the common bile duct and common hepatic duct (C, arrow).
Schaefer et al. BMC Cancer 2012 12:570 doi:10.1186/1471-2407-12-570