Fig. 2From: Prognostic value of programmed death-1, programmed death-ligand 1, programmed death-ligand 2 expression, and CD8(+) T cell density in primary tumors and metastatic lymph nodes from patients with stage T1-4N+M0 gastric adenocarcinomaPD-L1 and PD-L2 expression in a specimen of gastric adenocarcinoma. a Negative staining of PD-L1. b Weak staining of PD-L1. c Moderate staining of PD-L1. d Strong staining of PD-L1. e Negative staining of PD-L2. f Weak staining of PD-L2. g Moderate staining of PD-L2. h Strong staining of PD-L2Back to article page