Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Oct 7, 2016; 22(37): 8389-8397
Published online Oct 7, 2016. doi: 10.3748/wjg.v22.i37.8389
Figure 2
Figure 2 Kaplan-Meier plots for esophageal squamous cell carcinoma patients stratified by programmed death ligand-1 expression. A: Overall surviva; B: Locoregional relapse rate; C: Distant metastasis rate.