293 Development of a MUC16-specific CAR-T cell exhibiting potent antitumor activity for the treatment of patients with recurrent ovarian cancer by Prashant R Nambiar, Nicole A Protheroe, Kelly DellaGrotte, Harini Kantamneni, Sumati Sundaram, Scott F Heller, Christina Ferren, Collin Walter, Corinne Decker, Alison Crawford, Tina Chang Albershardt