1. Immunotherapy in esophageal cancer-An update
   Bhavesh Parekh et al, 2019, International Journal of Molecular and Immuno Oncology CrossRef
2. From Tumor Immunology to Immunotherapy in Gastric and Esophageal Cancer
   David Vrána et al, 2018, International Journal of Molecular Sciences CrossRef
3. Immune Cell Infiltrates and Neutrophil-to-Lymphocyte Ratio in Relation to Response to Chemotherapy and Prognosis in Laryngeal and Hypopharyngeal Squamous Cell Carcinomas
   Mario Sánchez-Canteli et al, 2021, Cancers CrossRef
4. A reliable and feasible way to predict the benefits of Nivolumab in patients with non-small cell lung cancer: a pooled analysis of 14 retrospective studies
   Dedong Cao et al, 2018, OncoImmunology CrossRef