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Fig. 1A. —71-year-old woman with common bile duct stone, in whom sonography detected cholestasis associated with dilatation of bile ducts. Heavily T2-weighted single-shot fast spin-echo MR cholangiopancreatography sequence (coronal oblique slice 20 mm thick; TE_eff = 920 msec) shows marked dilatation of common bile duct (star) and of intrahepatic bile ducts (thin arrow). Regular lacuna is seen because of 7-mm stone impacted in lower common bile duct (thick arrow).