1 Medical Oncology Department, Ramón y Cajal University Hospital, Carretera de Colmenar Viejo, Km 9.100, 28034, Madrid, CP, Spain.
2 Pathology Department, Ramón y Cajal University Hospital, Carretera de Colmenar Viejo, Km 9.100, 28034, Madrid, CP, Spain.
3 Radiation Oncology Department, Ramón y Cajal University Hospital, Carretera de Colmenar Viejo, Km 9.100, 28034, Madrid, CP, Spain.
4 Nuclear Medicine Department, Ramón y Cajal University Hospital, Carretera de Colmenar Viejo, Km 9.100, 28034, Madrid, CP, Spain.
5 Medical Oncology Department, Ramón y Cajal University Hospital, Carretera de Colmenar Viejo, Km 9.100, 28034, Madrid, CP, Spain. juanjose.serrano@salud.madrid.org.