Reassessment of palliative surgery in conversion therapy of previously unresectable hepatocellular carcinoma: Two case reports and review of literature

Figure 2 Preoperative computed tomography and magnetic resonance imaging of case 2. A and B: Contrast-enhanced computed tomography showed an 18 cm × 15 cm massive lesion in the left liver, with multiple intrahepatic foci, contrast enhancement in the arterial phase and relatively low density in the delayed phase, tumor thrombus formation in the left branch of the portal vein (arrow); C and D: T1-weighted enhanced magnetic resonance imaging confirmed two of the multiple intrahepatic foci, contrast enhancement in the arterial phase (arrow), and relatively low signal in the portal phase (arrow); E: Macroscopic findings of the tumor showed the major lesion accompanied by multiple subfoci; F: Microscopic diagnosis showed moderately differentiated hepatocellular carcinoma with microvascular tumor thrombus and negative surgical margins (magnification, 40 ×).