Fig. 4
From: Role of stromal PD-L1 expression in colorectal liver metastasis
Prognostic value of stromal PD-L1 expression in CRLM
Kaplan–Meier survival analysis of CRLM patients with stromal PD-L1 expression: (a) Overall survival. (b) Disease-free survival. (c) Time to surgical failure. Kaplan–Meier survival analysis of CRLM patients with stromal PD-L1 expression combined with TILs: (d) Overall survival. (e) Disease-free survival. (f) Time to surgical failure