AFP, α-fetoprotein; PRETEXT, PRETreatment EXTent of disease; VPEFRM,
PRETEXT annotation factors: V, involvement of vena cava; P, involvement
of portal vein; E, contiguous extrahepatic intra-abdominal tumor
extension—contiguous involvement of adjacent organs; F, multifocal
liver tumor; R, tumor rupture at diagnosis; M,
metastasis11
TABLE 2. Patient characteristics before and after propensity score
matching