670 CLINICAL STAGE AND THE BIOPSY GLEASON-SCORE SIGNIFICANTLY AFFECT THE RATE OF FAVORABLE HISTOPATHOLOGICAL STAGE AT RADICAL PROSTATECTOMY IN PATIENTS WITH VERY HIGH PREOPERATIVE PSA -VALUES (≥20 NG/ML) - Isbarn, H.; Budäus, L.; Ahyai, S.A.; Chun, F.K.H.; Fisch, M.; Dahlem, R.; Salomon, G.; Schlomm, T.; Haese, A.; Steuber, T.; Heinzer, H.; Huland, H.; et al. (European Urology Supplements, 2011)