Fig. 2

Prognostic evaluation of STEAP4 in HCC patients. A, B Analysis of overall survival (OS) and disease-free survival (DFS) based on high and low STEAP4 expression in LIHC patients using the GEPIA database. C Kaplan–Meier analysis of OS for high and low STEAP4 expression in TCGA-LIHC samples. D Multivariate Cox proportional hazards analysis of OS, visualized through a forest plot