Cystic duct dilation through endoscopic retrograde cholangiopancreatography for treatment of gallstones and choledocholithiasis: Six case reports and review of literature

Figure 1 Preoperative magnetic resonance cholangiopancreatography showed gallbladder and common bile duct stones. The orange arrowpoints to the stone location. A: T2 weighted image sequence; B: Balanced turbo field echo sequence.