APCs	Antigen-presenting cells
AUCs	Areas under the curve
CAF	Cancer-associated fibroblast
CPS	Combined Positive Score
CRACs	Calcium release-activated calcium channels
CTLA-4	Cytotoxic T lymphocyte antigen-4
DEGs	Differentially expressed genes
GO	Gene Ontology
HNSCC	Head and neck squamous cell carcinoma
ICIs	Immune checkpoint inhibitors
KEGG	Kyoto Encyclopedia of Genes and Genomes
LASSO	Least absolute shrinkage and selection operator
LNM	Lymph node metastasis
OS	Overall survival
PD-1	Programmed cell death 1
PD-L1	Programmed death ligand 1
ROC	Receiver operating characteristic
ssGSEA	Single sample Gene Set Enrichment Analysis
TCGA	The Cancer Genome Atlas
TCRRGs	T-cell receptor-related genes
TCRs	T-cell receptors
TIDE	Tumor Immune Dysfunction and Exclusion