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Kaplan-Meier estimates of progression-free survival per Response Evaluation Criteria in Solid Tumors V.1.1 assessed by (A) IRC, (B) investigator, (C) IRC by PD-L1 status (≥1% cut-off), and (D) investigator by PD-L1 status (≥1% cut-off). IRC, independent review committee; PD-L1, programmed death ligand 1.
