Lenvatinib for large hepatocellular carcinomas with portal trunk invasion: Two case reports

Figure 4 Dynamic contrast-enhanced computed tomography findings of a tumor thrombus in the inferior vena cava in case 2. A: Arterial-phase computed tomography (CT) image prior to the start of lenvatinib administration showing a tumor thrombus in the inferior vena cava (arrows); B: Arterial-phase CT image at 4 wk after the start of lenvatinib administration showing a marked decrease in both the vascularity and the size of the tumor thrombus in the inferior vena cava (arrows); and C: Arterial-phase CT image at 9 wk after the start of lenvatinib administration showing a continuous decrease in both the vascularity and the size of the tumor thrombus in the inferior vena cava (arrows).