802 Presence of disseminated tumor cells at time of radical prostatectomy is not associated with more advanced or poorly differentiated disease in patients with localized prostate cancer; potential sources of relapse? - Isbarn, H.; Effenberger, K.; Schlomm, T.; Rink, M.; Chun, F.K.H; Fisch, M.; Huland, H.; Graefen, M.; Pantel, K. (European Urology Supplements, 2013)