APC	Antigen presenting cell
CBI	checkpoints blockade immunotherapy
CDR3	complementarity-determining region 3
HTS	high-throughput sequencing
MHC	major histocompatibility complex
NSCLC	non–small-cell lung cancer
PCR	polymerase chain reaction
RACE	rapid amplification of cDNA ends
SSC	squamous cell carcinoma
TCR	T cell receptor
UMIs	unique molecular identifiers
VDJ	variable (V), diversity (D), and joining (J) gene segments