Associations between NSCLC histological type and (A) VEGFC, (B) VEGFR3, (C) VEGFR2, (D) ITGA, (E) PROX1 and (F) VEGFA mRNA expression level, defined as log2(FC). NSCLC, non-small cell lung cancer; VEGF, vascular endothelial growth factor; ITGA9, integrin a9; PROX1, prospero-related homeobox domain 1; ADC, adenocarcinoma; LCC, large cell carcinoma; SCC, squamous cell carcinoma; FC, fold-change difference in mRNA level.