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Radiographic imaging of Case 1. (A) Transabdominal ultrasound from Case 1 demonstrating intrahepatic and extrahepatic biliary dilatation, multiple gallstones, and focal, irregular wall thickening without pericholecystic fluid. (B, C) Magnetic resonance cholangiopancreatography from Case 1 that demonstrates a prominent gallbladder and diffuse intrahepatic and extrahepatic biliary ductal dilatation
