Fig. 6
Representative image of co-localization of Cleaved-Caspase 3 + apoptotic tumor cells, HLA-DRhighCD206+ M2 TAMs, and CD4+ TILs in the tumor microenvironment of LSCC serial tissue section. A Immunohistochemical staining of Cleaved Caspase-3+ tumor cell and CD68 + TAMs; B Double-labeling immunofluorescence of HLA-DRhighCD206 + M2 TAMs; C Double-labeling immunofluorescence of CD4 + and CD8 + TILs using serial sections of LSCC