R. Stacher et al., MUCINOUS BILIARY CYSTADENOCARCINOMA CONTAINING GAS-BUBBLES SECONDARY TO DUODENAL INVASION, British journal of radiology, 71(846), 1998, pp. 683-685
Biliary cystadenocarcinoma is a rare, usually intrahepatic neoplasm. A
case is described in which an intrahepatic cystadenocarcinoma invaded
the duodenum. This resulted in intratumoral gas.