1. Programmed cell death-ligand 1 expression predicts poor treatment response and prognostic value in esophageal squamous cell carcinoma patients without esophagectomy
   Fang Zhang et al, 2021, Aging CrossRef
2. Change in PD-L1 and CD8 Expression after Chemoradiotherapy for Esophageal Squamous Cell Carcinoma
   Wei-Chung Chen et al, 2022, Biomedicines CrossRef
3. The Research Progress of PD-1/PD-L1 Inhibitors Enhancing Radiotherapy Efficacy
   Lu Wen et al, 2021, Frontiers in Oncology CrossRef
4. Establishment and validation of a prognostic risk classification for patients with stage T1-3N0M0 esophageal squamous cell carcinoma
   Yang-Yu Huang et al, 2023, Journal of Cardiothoracic Surgery CrossRef
5. Expression of Programmed Death Ligand 1 Is Associated with the Prognosis of Intrahepatic Cholangiocarcinoma
   Zhitao Dong et al, 2020, Digestive Diseases and Sciences CrossRef
6. Expression and Prognostic Significance of PD-L2 in Diffuse Large B-Cell Lymphoma
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7. Prognostic Significance of Serum PD-L1 Level in Patients with Locally Advanced or Metastatic Esophageal Squamous Cell Carcinoma Treated with Combination Cytotoxic Chemotherapy
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8. Prognostic Function of Programmed Cell Death-Ligand 1 in Esophageal Squamous Cell Carcinoma Patients Without Preoperative Therapy: A Systematic Review and Meta-Analysis
   Hongxia Cui et al, 2021, Frontiers in Oncology CrossRef