Epstein-Barr Virus and PD-L1 in Esophageal and Esophagogastric Junction Cancer: Differences According to Location and Histological Type - Ribeiro, Mateus Barradas; Marques, Sergio Barbosa; Soares, Ibere Cauduro; Pereira, Marina Alessandra; Takeda, Flavio Roberto; Safatle Ribeiro, Adriana Vaz; Ribeiro Junior, Ulysses (Journal of gastrointestinal surgery, 2022)