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Ranking diagram of PD-L1-positive and -negative subgroups. (a) Ranking diagram of OS of PD-L1-positive NSCLC patients; (b) Ranking diagram of PFS of PD-L1-positive NSCLC patients; (c) Ranking diagram of OS of PD-L1-negative NSCLC patients; (d) Ranking diagram of PFS of PD-L1-negative NSCLC patients Atez: atezolizumab; Chem: chemotherapy; Nivo: nivolumab; Ipil: ipilimumab.
