Endoscopic retrograde cholangiopancreatography. Severe common bile duct stenosis, with wide cholecystocholedochal communication. A shrunk gallbladder with a large gallstone and a secondary formation of a fistoulous tract, the right hepatic flexure with the contrasted colonic haustration are the highlights of this image modality.
Chatzoulis et al. BMC Surgery 2007 7:6 doi:10.1186/1471-2482-7-6