247 Assessment of sensitivity to a PD-1 check point inhibitor and cisplatin in bladder cancer patient-derived xenografts with various levels of PD-L1 expression in HuCD34NCG mice
247 Assessment of sensitivity to a PD-1 check point inhibitor and cisplatin in bladder cancer patient-derived xenografts with various levels of PD-L1 expression in HuCD34NCG mice