PPFIA4 and hepatocellular carcinoma: BAMBI, BRD9, CCT3, CDC123, DEGS1, DENR, DHX37, EIF3B, GAPDH, HM13, HSP90AA1, IQCA1, LRP4, MCM8, PIGU, PPFIA4, PPM1G, RRP7A, SEC61A1, SLC25A39, SLC41A3, SOX11, SPC25, TAGLN2, ZC3H3, and ZNF207 had significant diagnostic values for HCC (Figures 6 and S4).