Fig. 1From: Successful two-stage operation for esophageal necrosis due to proton beam therapy followed by sorafenib in a case of large hepatocellular carcinomaCT findings before proton beam therapy. a A hepatic tumor with a diameter of 16.0 cm is observed in the right lobe. b The tumor is accompanied by portal vein tumor thrombosis in the main trunk (black arrowheads)Back to article page