fig1

Figure 1. Most commonly used classifications for Portal Vein Tumor Thrombosis (PVTT). Cheng’s classification of portal vein tumor thrombosis^[37], Japan’s PVTT portal vein invasion (VP) classification^[34,35]. HAIC: hepatic arterial infusion chemotherapy; IFN-alpha 2b: interferon alfa-2b; LT: liver transplantation; RT: radiation therapy; TACE: transarterial chemoembolization; TARE: transarterial radioembolization; 5-FU: 5-fluorouracil. *Under certain conditions; **not enough support^{[26,34,35,38,37,40,41]}