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Kaplan-Meier overall survival curves for mNSCLC patients. (A) Kaplan-Meier curves of the association between KIR2DS4del and overall survival. (B) Kaplan-Meier curves of the association between HLA-Bw4T80 and overall survival. P-value was calculated by the log-rank test. mNSCLC, metastatic non-small-cell lung cancer. KIR, killer-cell immunoglobulin-like receptor; HLA, human leukocyte antigen.
