Fig. 1
From: Mirizzi syndrome with an unusual type of biliobiliary fistula—a case report
Preoperative diagnosis on MDCT and MRCP. Preoperative MDCT revealed mild dilation of the common bile duct (a) and a coalesced gallbladder with the bile duct (arrow), suggesting biliobiliary fistula (small arrow head) (b). Preoperative MRCP showed a solitary gallstone in the gallbladder (c, large arrow head), dilation of the intrahepatic bile duct, and biliobiliary fistula (d)