Carcinoma Transitional Cell/epidemiology/*surgery *Cystectomy Humans Kidney Neoplasms/*epidemiology Neoplasms Second Primary/*epidemiology Ureteral Neoplasms/*epidemiology Urethral Neoplasms/*epidemiology Urinary Bladder Neoplasms/*surgery Bladder cancer Radical cystectomy Recurrence Remnant Upper urinary tract Urethra Urothelium including specific financial interests and relationships and affiliations relevant to the subject matter or materials discussed in the manuscript (eg employment/affiliation grants or funding consultancies honoraria stock ownership or options expert testimony royalties or patents filed received or pending) are the following: None.