Study of Fully Human B7H3 CAR-T in Treating Recurrent Malignant Ovarian Cancer

"Three dose levels will be evaluated: Dose Level 1 (1×10\^6/kg), dose Level 2 (3×10\^6/kg) and dose Level 3 (5×10\^6/kg). If dose limiting toxicities (DLTs) are observed in each doses, Dose Level -1 (0.5×10\^6/kg /infusion) will be evaluated.~Other Name: B7H3 targeting chimeric antigen receptor T cells Drug: Fludarabine 30 mg/m2 i.v. for 3 consecutive days (Day -5\~Day -3) Other Name: FLUDARA Drug: Cyclophosphamide 750 mg/m2 i.v. for once (Day -5) Other Name: Cytoxan"