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Association between combined VEGFA/KDR mRNA expression and the survival of patients with lung cancer. Kaplan-Meier analyses were performed for VEGFA and KDR mRNA expression in combination in (A) GSE3141, (B) GSE4573, (C) GSE8894 and (D) GSE31210 datasets, and (E) the combined cohort. VEGFA, vascular epidermal growth factor A; KDR, kinase insert domain receptor.
