Figure 1. Study workflow. GEO, Gene Expression Omnibus; TCGA, The Cancer Genome Atlas; GO, Gene Ontology; KEGG, Kyoto Encyclopedia of Genes and Genomes; WGCNA, Weighted Gene Co-expression Network Analysis; GS, gene significance; MM, module membership; TNM, Tumor Node Metastasis; GSEA, Gene Set Enrichment Analysis; GSVA, Gene Set Variation Analysis.