EGFR and neoplasm: In the KEGG analysis (FDR < 0.01), most of these pathways were related to tumor immunity and included the TNF, IL-17, and NF-kB signaling pathways, apoptosis, MAPK signaling, T-cell receptor signaling, platinum drug resistance, and resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors.