日本肝细胞癌发病率高，通常这些病人同时并有肝硬变或慢性肝炎。一般认为，为增加治愈率，外科医师应尽可能多的切除肿周围的肝实质。对于有肝硬变者，标准的肝手术因肝储备功能差，导致肝衰，常是十分危险的。在日本常施行诸如次肝段(注Couinaud肝段)或肝部分切除术。与慢性肝病有关 The incidence of hepatocellular carcinoma in Japan is high, and these patients usually have cirrhosis or chronic hepatitis at the same time. It is generally believed that in order to increase the cure rate, the surgeon should remove as much hepatic parenchyma around the swollen mass as possible. For those with liver cirrhosis, standard liver surgery due to poor liver reserve function, leading to liver failure, is often very dangerous. In Japan, such as the sub-hepatic segment (Note Couinaud segment) or partial hepatectomy is often performed. Associated with chronic liver disease