Allogeneic γ9δ2 T Cells Treatment of Recurrent Hematologic Tumors

dose escalation (3+3) : dose 1 (5 × 10\^7cells/kg) ,dose 2 (1 × 10\^8 cells/kg) ,dose 3 (2 × 10\^8cells/kg)

Intravenous fludarabine on days-5 and -4,the infusion dose is adjusted according to the subject's condition

Intravenous cyclophosphamide on days -5、-4、and -3, the infusion dose is adjusted according to the subject's condition

Intravenous zoredronic acid 50ug/kg 24 hours before cell infusion（or according to the dosage of the instruction）（If applicable）