Fig. 2. Magnetic resonance imaging. (A) On the T2-weighted image, the venous collaterals are shown as dark signal voids (dotted circle). (B) On the contrast-enhanced image, the bile duct wall thickening with collaterals is shown as a linear enhancing lesion (oval dotted circle). (C) Magnetic resonance cholangiopancreatography shows hilar bile duct stricture (arrow) with proximal duct dilatation.
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