TCGA	The Cancer Genome Atlas
GEO	Gene Expression Omnibus
TIDE	Tumor Immune Dysfunction and Exclusion
GSEA	Gene Set Enrichment Analysis
HNSC	Head and neck squamous cell carcinoma
TISCH	Tumor Immune Single-cell Hub
WGCNA	Weighted Gene Co-expression Network Analysis
OS	Overall survival
TIME	Tumor immune microenvironment
ICPs	Immune checkpoints
ICD	Immunogenic cell death
DCs	Dendritic cells
APC	Antigen presenting cells
ICB	Immune checkpoint blockage
MDSCs	Myeloid-derived suppressor cells