Research Paper Volume 13, Issue 14 pp 18827—18838
Programmed cell death-ligand 1 expression predicts poor treatment response and prognostic value in esophageal squamous cell carcinoma patients without esophagectomy
Figure 2. (A) Kaplan-Meier curves of Overall Survival (OS) according to PD-L1 expression. (B) Kaplan-Meier curves of Progression-Free Survival (PFS) according to PD-L1 expression. PD-L1, programmed death-ligand 1.