Fig. 1

Immunohistochemical staining pattern of CD8 and PDL-1 (A low expression stromal CD8; B high expression stromal CD8; C low expression intratumoral CD8; D high expression intratumoral CD8; E high expression PD-L1)
Immunohistochemical staining pattern of CD8 and PDL-1 (A low expression stromal CD8; B high expression stromal CD8; C low expression intratumoral CD8; D high expression intratumoral CD8; E high expression PD-L1)