[1] HC Marbella Int Hosp, Spanish Soc Med Oncol SEOM, Marbella, Spain
[2] Ramon y Cajal Univ Hosp, Spanish Soc Pathol Anat SEAP, Madrid, Spain
[3] Marques de Valdecilla Univ Hosp, Spanish Soc Med Oncol SEOM, Santander, Spain
[4] Bellvitge Univ Hosp, Spanish Soc Pathol Anat SEAP, Lhospitalet De Llobregat, Spain
[5] Germans Trias & Pujol Res Inst, Catalan Inst Oncol ICO, Badalona Appl Res Grp Oncol, Spanish Soc Med Oncol SEOM, Badalona, Spain
[6] La Paz Univ Hosp, Spanish Soc Pathol Anat SEAP, Madrid, Spain
[7] Ramon y Cajal Univ Hosp, Spanish Soc Med Oncol SEOM, Madrid, Spain
[8] Clin Barcelona Hosp, Spanish Soc Pathol Anat SEAP, Barcelona, Spain
[9] Vall dHebron Univ Hosp, Spanish Soc Med Oncol SEOM, Barcelona, Spain
[10] Vall dHebron Univ Hosp, Spanish Soc Pathol Anat SEAP, Barcelona, Spain