Predictors of Positive Surgical Margins after Robot-Assisted Partial Nephrectomy for Localized Renal Tumors : Insights from a Large Multicenter International Prospective Observational Project (The Surface-Intermediate-Base Margin Score Consortium) - Di Maida, Fabrizio (Unit of Oncologic Minimally-Invasive Urology and Andrology. Department of Experimental and Clinical Medicine. Careggi Hospital) ; Campi, Riccardo (Unit of Urological Robotic Surgery and Renal Transplantation. Department of Experimental and Clinical Medicine. University of Florence. Careggi Hospital) ; Lane, Brian R. (Department of Urology. Spectrum Health Medical Group) ; De Cobelli, Ottavio (Department of Urology. European Institute of Oncology (IEO). University of Milan) ; Sanguedolce, Francesco (Fundació Puigvert. Unitat d'Urooncologia) ; Hatzichristodoulou, Georgios (Department of Urology. Martha-Maria Hospital Nuremberg) ; Antonelli, Alessandro (Department of Urology. University of Verona. Azienda Ospedaliera Universitaria Integrata Verona) ; Grosso, Antonio Andrea (Unit of Oncologic Minimally-Invasive Urology and Andrology. Department of Experimental and Clinical Medicine. Careggi Hospital) ; Noyes, Sabrina (Department of Urology. Spectrum Health Medical Group) ; Rodríguez Faba, Óscar (Institut d'Investigació Biomèdica Sant Pau) ; Keeley, Frank X. (Bristol Urological Institute. Southmead Hospital) ; Langenhuijsen, Johan (Radboud University Medical Centre. Department of Urology) ; Musi, Gennaro (Department of Urology. European Institute of Oncology (IEO). University of Milan) ; Klatte, Tobias (Department of Urology. Medical University of Vienna) ; Roscigno, Marco (Department of Urology. ASST Papa Giovanni XXIII) ; Akdogan, Bulent (Department of Urology. School of Medicine. Hacettepe University) ; Furlan, Maria (Department of Urology. University of Brescia) ; Simeone, Claudio (Department of Urology. University of Brescia) ; Karakoyunlu, Nihat (Department of Urology. Diskapi Yildirim Beyazit Training and Research Hospital) ; Marszalek, Martin (Department of Urology. Graz Medical University) ; Capitanio, Umberto (Unit of Urology. Division of Experimental Oncology. Urological Research Institute (URI). IRCCS Ospedale San Raffaele) ; Volpe, Alessandro (Department of Urology. Maggiore della Carità Hospital. University of Eastern Piedmont) ; Brookman-May, Sabine (Janssen Pharma Research and Development) ; Gschwend, Jurgen E. (Department of Urology. Rechts der Isar University Hospital. Technical University of Munich) ; Smaldone, Marc C. (Division of Urologic Oncology. Fox Chase Cancer Center) ; Uzzo, Roberto G. (Division of Urologic Oncology. Fox Chase Cancer Center) ; Kutikov, Alexander (Division of Urologic Oncology. Fox Chase Cancer Center) ; Minervini, Andrea (Unit of Oncologic Minimally-Invasive Urology and Andrology. Department of Experimental and Clinical Medicine. Careggi Hospital)