Associations between NSCLC patient sex and (A) VEGFA, (B) FGF2, (C) VEGFR2 and (D) ITGA mRNA expression level, defined as log2(FC) NSCLC, non-small cell lung cancer; VEGF, vascular endothelial growth factor; FGF2, fibroblast growth factor 2; ITGA, integrin a9; FC, fold-change, difference in mRNA level between tumor and normal lung tissues.