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(A) Progression-free survival (PFS) by central radiology review in stratum 1 (Kaplan-Meier method). (B) PFS by central radiology review in stratum 2 (Kaplan-Meier method). (C) Overall survival (OS) in stratum 1 (Kaplan-Meier method). (D) OS in stratum 2 (Kaplan-Meier method). NA, not available.
