Fig. 1From: The presence of tumour-infiltrating lymphocytes (TILs) and the ratios between different subsets serve as prognostic factors in advanced hypopharyngeal squamous cell carcinomaImmunohistochemical staining of CD8, CD4, and Foxp3 in the HPSCC cohort. a CD8high and b CD8low infiltration (200×); c CD4high infiltration and d CD4low infiltration (200×); e Foxp3high infiltration and f Foxp3low infiltration (200×). Abbreviations: HPSCC, hypopharyngeal squamous cell carcinomaBack to article page