Dynamic magnetic resonance imaging (MRI) of the liver (A-C, T1-weighted spoiled gradient echo image), and histology of surgical specimens (D-E). The right lobe mass (arrow) appears as a high-intensity lesion during the arterial phase (A) with delayed wash-out (B: portal phase, C: delayed phase). The satellite lesion (arrowhead) in the left lobe has peripheral signal enhancement and slightly higher signal in the central area during the arterial and portal phases (A, B), and low-intensity signal during delayed phase (C). D: Frozen section pathology, a well-differentiated cholangiocarcinoma. E: Edmondson-Steiner grade II/III, trabecular- and pseudoglandular-type hepatocellular carcinoma. (H&E, D, E: ×200).