MP41-11 RESECTION TECHNIQUES FOR NEPHRON SPARING SURGERY (NSS) VARY: INSIGHTS FROM A PROSPECTIVELY COLLECTED MULTI-INSTITUTIONAL COHORT HARNESSING THE SURFACE–INTERMEDIATE–BASE (S.I.B.) MARGIN SCORE (SIB INTERNATIONAL CONSORTIUM)

Andrea Minervini, Riccardo Campi, Andrea Mari, Florence, Italy; Ottavio DeCobelli, Milan, Italy; Francesco Sanguedolce, Bristol, United Kingdom; Georgios Hatzichristodoulou, Munich, Germany; Alessandro Antonelli, Brescia, Italy; Brian Lane, Grand Rapids, MI; Bulent Akdogan, Munich, Germany; Umberto Capitanio, Milan, Italy; Martin Marszalek, Vienna, Austria; Alessandro Volpe, Novara, Italy; Nihat Karakoyunlu, Ankara, Turkey; Hans Langenhuijsen, Nijmegen, Netherlands; Tobias Klatte, Vienna, Austria; Oscar Rodriguez-Faba, Barcelona, Spain; Miki Haifler, Philadelphia, PA; Sabine BrookmanMay, Munich, Germany; Marco Roscigno, Bergamo, Italy; Robert Uzzo, Philadelphia, PA; Marco Carini, Florence, Italy; Alexander Kutikov*, Philadelphia, PA