Proton beam therapy in apneic oxygenation treatment of an unresectable hepatocellular carcinoma: A case report and review of literature

Figure 6 Residual nodules in the hepatic hilum without enhancement evidenced in the latest magnetic resonance imaging scan, at 40 mo after proton beam therapy. A: Complete regression of the upper portion of the hepatocellular carcinoma is shown; B: Pronounced indentation of the right-sided liver contour is shown, as if the patient had undergone a liver resection; C: The portal vein was able to be delimited again.