Fig. 1.

a Chronological MRI of patient 1. Early phase of dynamic-enhanced EOB-MRI shows patient 1 with CR 1 month after treatment. Upper left image shows the pretreatment state with enhanced lesion. Upper right image shows the state of 1 month after treatment with disappearance of the former lesion. Lower left shows the state 1 year after treatment with the same state as before. The patient has had no liver tumor after 44 months of follow-up. b Chronological CT of patient 4. Early phase of dynamic CT shows patient 4 with CR 3 months after treatment. Upper left CT shows the pretreatment state with enhanced lesion. Upper right CT shows the state 1 month after treatment with a 37.5 % reduction in the former lesion. Lower left CT shows the state 3 months after treatment with complete disappearance of the lesion. Lower right shows the state 2 years after treatment with the same state as before. The patient has had no liver tumors as of a 38-month follow-up