Molecular profile of urothelial carcinoma of the upper urinary tract: are pelvicalyceal and ureteral tumors different? - Krabbe LM; Bagrodia A; Westerman ME; Gayed BA; Haddad AQ; Sagalowsky AI; Shariat SF; Kapur P; Lotan Y; Margulis V (World journal of urology, 2016)