Prognostic Significance of Serum PD-L1 Level in Patients with Locally Advanced or Metastatic Esophageal Squamous Cell Carcinoma Treated with Combination Cytotoxic Chemotherapy

Fu R, Jing CQ, Li XR, Tan ZF, Li HJ

Cancer Management and Research 2021, 13:4935-4946

Published Date: 21 June 2021