TACSTD2 and ovarian carcinoma: Protein kinase 7 (PTK7), involved in the Wnt pathway, T-cell immunoglobulin and mucin domain 1 (TIM1), Trophoblast cell-surface antigen 2 (TROP 2), and Notch 3 are a few examples of ovarian carcinoma antigens used in ADC development [23,24,25,26].