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
Yuan Gao, Su Li, Dazhi Xu, Shangxiang Chen, Yuchen Cai, Wenqi Jiang, Xinke Zhang, Jin Sun, Kefeng Wang, Bo-yang Chang, Fenghua Wang, M. Hong
Chinese journal of cancer