Figure 3.

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
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