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Table 4 Associations among PD-L1, PD-L2, and PD-1 expression in metastatic lymph nodes from patients with gastric adenocarcinoma

From: 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 adenocarcinoma

Variable PD-L1 expression [cases (%)] PD-L2 expression [cases (%)]
Negative Positive P Negative Positive P
PD-L2 expression    0.012    
 Negative 54 (45.4) 11 (9.2)     
 Positive 33 (27.7) 21 (17.6)     
PD-1 expression on CD8(+) T cells    0.034    0.002
 Negative 45 (37.8) 27 (22.7)   60 (50.4) 12 (10.1)  
 Positive 20 (16.8) 27 (22.7)   27 (22.7) 20 (16.8)