Department of Radiation Oncology del Mar 08003;
Radiation Oncology Research Group Del Mar Medical Research Institution 08003;
Department of Experimental and Health Sciences Fabra University 08003;
Department of Radiation Oncology Malignancies Unit Duran i Reynals.ICO´Hospitalet de L 08908;
Department of Radiation Oncology Clinico de Salamanca 37007;
Department of Radiation Oncology Grupo Biomedico 46004;
Department of Radiation Oncology Ruber Internacional 28034;
Department of Radiation Oncology Universitario Arnau de Vilanova 25198;
Department of Radiation Oncology Care-Spain 41092;
Department of Radiation Oncology Universitario La Princesa 28006;
Department of Radiation Oncology Universitario Sant Joan de Reus 43204;
Department of Radiation Oncology Universitario Ramon y Cajal 28034;
Department of Radiation Oncology Clinico Universitario Lozano Blesa 50009;
Department of Radiation Oncology Universitario Quirónsalud 28223;
Department of Radiation Oncology La Luz 28003;
Department of Clinical Europea 28670;
Radiotherapy; Non-small cell lung cancer; Guidelines; Stereotactic radiation therapy; Hypofractionated radiation; Oligometastasis;