Fig. 2
From: Classification of gallbladder cancer by assessment of CD8+ TIL and PD-L1 expression
Kaplan-Meier analysis of progression-free survival and overall survival according to PD-L1 expression (a and b), CD8+ tumor-infiltrating lymphocytes (TILs) (c and d), and classification based on combining PD-L1 expression and CD8+ TILs