Prognostic factors for survival in patients with metastatic lung adenocarcinoma: An analysis of the SEER database - Begoña Campos‐Balea; Javier de Castro Carpeño; Bartomeu Massutí; David Vicente‐Baz; Diego Pérez Parente; Pedro Ruiz‐Gracia; Leonardo Crama; Manuel Cobo Dols; [Campos-Balea,B] Oncology, Hospital Universitario Lucus Augusti (HULA), Lugo, Spain. [de Castro Carpeño,J] Oncology, Hospital Universitario La Paz, Madrid, Spain. [Massutí,B] Oncology, Hospital Universitario Alicante (ISABIAL), Alicante, Spain. [Vicente-Baz,D] Oncology, Hospital Universitario Virgen Macarena, Seville, Spain. [Pérez Parente; Ruiz-Gracia,P; Crama,L] Lung Cancer. Medical Affairs Department, Roche Farma S.A, Madrid, Spain. [Cobo Dols,M] Medical Oncology, Unidad de Gestión Clínica Intercentros de Oncología Médica. Hospitales Universitarios Regional y Virgen de la Victoria. IBIMA, Málaga, Spain. (Thoracic Cancer, 2020)