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Kaplan-Meier overall survival analysis of PKM2 and PD-L1 expression using genomics data of lung AC. (A)In 515 lung AC cases obtained from TCGA dataset, high PKM2 mRNA expression was significantly associated with worse prognosis (P< 0.001), which is consistent with our IHC results. (B) However, PD-L1 mRNA expression showed no statistically significant difference between survival curves of the high-expression and low-expression group (P=0.221).
