EGFR	epidermal growth factor receptor
ADCC	antibody-dependent cellular cytotoxicity
NK	natural killer
5-FU	5-fluorouracil
HNSCC	head and neck squamous cell carcinoma
PD-L1	programmed death-ligand 1
EPF	Erbitux-platinum-5-FU combination therapy
EMT	epithelial–mesenchymal transition
PFS	progression-free survival
OS	overall survival
HPV	human papillomavirus