Figure 1.

Portal vein tumor thrombosis classification according to the liver study group of Japan HCC, hepatocellular carcinoma; HBV, hepatitis B; HCV, hepatitis C; NAFLD, nonalcoholic fatty liver disease; MILR, minimally invasive liver surgery; LDLT, living donor liver transplantation; LT, liver transplantation; BCLC, Barcelona Clinic Liver Cancer; TACE, transarterial chemoembolization; PV, portal vein; LLR, laparoscopic liver resection; MC, Milan criteria; UCSF criteria, the University of California, San Francisco criteria; MELD, model for end-stage liver disease; DDLT, deceased donor liver transplantation; SFSS, small-for-size syndrome; AFP, α-fetoprotein; AASLD, American Association for the Study of Liver Diseases; EASL, European Association for the Study of the Liver