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Fig. 1A. Hilar cholangiocarcinoma with dominant high-grade strictures
and progressive biliary ductal dilatation in 60-year-old woman. Endoscopic
retrograde cholangiogram shows dominant high-grade strictures
(arrows) of left and right hepatic ducts at bile duct bifurcation,
with proximal intrahepatic biliary ductal dilatation
(arrowheads).