Racial differences in the outcome of patients with urothelial carcinoma of the upper urinary tract: An international study

Kazumasa Matsumoto 1 , Giacomo Novara , Amit Gupta 3 , Vitaly Margulis 3,4 , Thomas J. Walton 5 , Marco Roscigno 6 , Casey Ng , Eiji Kikuchi 8 , Richard Zigeuner 9 , Wassim Kassouf 10 , Hans-Martin Fritsche 11 , Vincenzo Ficarra 2 , Guido Martignoni , Stefan Tritschler , Joaquin Carballido Rodriguez 14 , Christian Seitz 15 , Alon Weizer 16 , Mesut Remzi 17 , Jay D. Raman 7 , Christian Bolenz 18 , Karim Bensalah 19 , Theresa M. Koppie 20 , Pierre I. Karakiewicz 21 , Christopher G. Wood 4 , Francesco Montorsi 6 , Masatsugu Iwamura 1 and Shahrokh F. Shariat 22