VEGFA and cancer: In this study, the expression of VEGFA and its relationship with prognosis in multiple malignant tumours were analysed by the The Cancer Genome Atlas Program (TCGA), Kaplan–Meier plotter, Gene Expression Profiling Interactive Analysis (GEPIA), The Human Protein Atlas (HPA), Genotype‐Tissue Expression (GTEx), Gene Expression Omnibus (GEO), European Genome‐phenome Archive (EGA) and Tumour Immune Estimation Resource (TIMER) databases.