Fig. 5From: Surgical treatment after hepatic arterial infusion chemotherapy for hepatocellular carcinoma extending into the right atriumMicroscopic findings of the main tumor and venous tumor thrombus are depicted (hematoxylin eosin stain). The main tumor consists of diffuse necrosis and fibrosis (a). Viable tumor cells are found neither in the main tumor nor venous tumor thrombus (a, b)Back to article page