Figure 3

Kaplan–Meier plots of progression-free survival and overall survival stratified by IHC status of CD8, CD68, and CD4. (a) PFS and OS comparison by IHC staining of CD8 (log-rank P = 0.0169, P = 0.0083). (b) PFS and OS comparison stratified by IHC staining of CD68 (log-rank P = 0.0036, P = 0.0169). (c) PFS and OS comparison stratified by IHC staining of CD4 (log-rank P = 0.18, P = 0.0609).