C	chemotherapy
CMTM6	CKLF-like MARVEL transmembrane domain 6
CPS	combined positive score
d	day
HNSCC	head and neck squamous cell carcinoma
HPV	human papillomavirus
PD-L1	programmed death-ligand 1
ICI	immune checkpoint inhibitors
OS	overall survival
PFS	progression-free survival
py	pack years
RCT	radio-chemotherapy
RT	radiotherapy
r/m	recurrent and/or metastatic
TIGIT	T cell immunoglobulin and ITIM domain