Fig. 6

Comparison of CD8⁺ T cells and its subsets in TDLNs of HNSCC patients in low stages (I + II) and advanced stages (III + IV) of the disease. CD8⁺ T cells gated on the lymphocyte population and then the frequencies of T cell subpopulations were determined within CD8⁺ T cell gate. Horizontal bar is representative of the Mean ± SEM, *P value < 0.05, **P value < 0.01