ANXA4 and ovarian cancer: Eight immune factors (IFT57, MAL, ANXA4, SCRN1, LTBR, KIFAP3, HSPA5, and LTN1) were positively correlated with poor prognosis of ovarian cancer, whereas six immune factors (PSMB9, FOXJ1, CTSH, MIF, CTSD, and PSMB8) were negatively correlated with poor prognosis of ovarian cancer.