Thirteen genes (BUB1B, KIF20A, MCM2, CEP55, MTHFD2, FOXM1, PBK, CDKN2A, PTX3, RACGAP1, MEOX1, UBE2C, IDH2) were associated with the OS and PFS of ovarian epithelial cancer patients (Fig. 3d). Here, PBK is linked to ovarian carcinoma.