Medical Oncology Unit, Medical Sciences Department, ASST Bergamo Ovest, Piazzale Ospedale 1, 24047, Treviglio, Bergamo, Italy. faupe@libero.it. Medical Oncology Unit, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy. Medical Oncology Unit, Casa Di Cura Igea, Milan, Italy. Surgical Oncology Unit, ASST Bergamo Ovest, Piazzale Ospedale 1, 24047, Treviglio, Bergamo, Italy. Urology Unit, ASST Bergamo Ovest, Piazzale Ospedale 1, 24047, Treviglio, Bergamo, Italy. Medical Oncology Unit, Medical Sciences Department, ASST Bergamo Ovest, Piazzale Ospedale 1, 24047, Treviglio, Bergamo, Italy. Department of Biomedical Science for Health, Division of General Surgery, Instituto Clinico Sant'Ambrogio, University of Milan, Milan, Italy. Oncology Unit, Fondazione Poliambulanza, Brescia, Italy. General Surgery 1, ASST Papa Giovanni XXIII, Bergamo, Italy.