TACSTD2 and ovarian cancer: ,22 EGFR,23,24 Her2,25 folate receptor α (FOLR1),26 trophoblast cell surface antigen 2 (TROP2),27,28,29,30 and tissue factor (TF)31,32 are overexpressed in ovarian cancer and play crucial roles in epithelial tumor growth, invasion, and metastasis, which makes them attractive targets for diagnosis and therapy of ovarian cancers.