Cystectomy/*methods Humans *Margins of Excision Survival Rate Ureter/*surgery Urinary Bladder Neoplasms/mortality/*surgery Bladder cancer Cancer de vessie Cystectomie Cystectomy Examen extemporané Frozen section Recoupes urétérales Ureteral margin

Adult Female *Hormones/adverse effects Humans Menopause Middle Aged Prospective Studies *Reproductive History Risk Factors *Urinary Bladder Neoplasms/epidemiology Bladder cancer Health Study Nurses’ females hormones reproductive factors

Cystectomy/*methods Humans Organ Sparing Treatments/*methods Treatment Outcome Urinary Bladder Neoplasms/*surgery Bladder preservation High-grade non-muscle-invasive bladder cancer Meta-analysis Radical cystectomy PUBLICATION: Not applicable. COMPETING INTERESTS: The authors declare that they have no competing interests. PUBLISHER’S NOTE: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.