Expression of Programmed Cell Death Protein 1 by Tumor-Infiltrating Lymphocytes and Tumor Cells is Associated with Advanced Tumor Stage in Patients with Esophageal Adenocarcinoma

Kollmann D, Guenova E, Preusser M, Asari R, Schatton T, Hötzenecker W, Cozzio A, Michal M, Kazakov D, Kristo I, Paireder M, Jomrich G, Chang Y, Jedamzik J, Desislava I, Schoppmann S. Expression of Programmed Cell Death Protein 1 by Tumor-Infiltrating Lymphocytes and Tumor Cells is Associated with Advanced Tumor Stage in Patients with Esophageal Adenocarcinoma. Ann Surg Oncol 2017; 24:2698-2706.