Many transformed immune cells involved in chronic inflammation generated NSCLC‐related microenvironment, synthesized, and released numerous inflammatory factors such as fibroblast growth factor‐2 (FGF‐2), vascular endothelial growth factor (VEGF) and platelet‐derived growth factor (PDGF) 3, 6. The gene discussed is VEGFA; the disease is non-small cell lung carcinoma.