MP26-02 PREOPERATIVE NEUTROPHIL/LYMPHOCYTE RATIO AS A PROGNOSTICATOR IN UPPER TRACT UROTHELIAL CARCINOMA PATIENTS TREATED CONSERVATIVELY: A RETROSPECTIVE EVALUATION - Defidio, Lorenzo; De Dominicis, Mauro; Di Gianfrancesco, Luca; Calarco, Alessandro; Antonucci, Michele; Patel, Anup (The Journal of urology, 2018)