[1] Hosp Gen Univ Elche, Dept Med Oncol, Elche 03203, Spain
[2] Consorcio Hosp Prov Castellon, Dept Med Oncol, Castellon De La Plana 12002, Spain
[3] Bellvitge Univ Hosp, Dept Pathol, Lhospitalet De Llobregat 08907, Spain
[4] Hosp Clin Barcelona, Dept Pathol, Thorac Oncol Unit, IDIBAPS, C Villarroel 170, Barcelona 08036, Spain
[5] Univ Santiago de Compostela, Dept Radiat Oncol, Hosp Clin, Santiago De Compostela 15706, Spain
[6] Hosp Clin Univ Valladolid, Dept Thorac Surg, Valladolid 47005, Spain