Fig. 2From: Efficacy of radiotherapy in combined treatment of hepatocellular carcinoma patients with portal vein tumor thrombus: a real-world studyMicroscopic findings of primary lesions and PVTT with different therapeutic effect. (A)-(C) Tumor necrosis and residual tumor cells of the primary lesions in different patients. (D)-(F) Tumor necrosis and residual tumor cells of PVTT in different patients. *: Tumor necrosis. →: residual tumor cellsPVTT: portal vein tumorBack to article page