PD-1 expression in tumor infiltrating lymphocytes as a prognostic marker in early-stage non-small cell lung cancer - Dan, Asaf; Aricak, Ozan; Rounis, Konstantinos; Montero-Fernandez, M. Angeles; Guijarro, Ricardo; Ekman, Simon; Ortiz-Villalón, Cristian; De Petris, Luigi (Frontiers in Oncology, 2024)