MMP9 and hepatocellular carcinoma: These potential targets, including EGFR, SRC, STAT3, HSP90AB1, AKT1, ESR1, PTGS2, MAPK1, ALB, TLR4, MMP9, CYP1A1, CYP19A1, AR, and NR3C1, were involved in the molecular mechanism of HCC pathogenesis.