To determine the impact of body mass index (BMI) on peri-operative and oncological outcomes following robotic radical cystectomy (RRC) with intra-corporeal urinary diversion (ICUD).
A total of 216 patients undergoing RRC, extended lymphadenectomy and ICUD (07/2010-12/2015) were categorized into four BMI groups according to the 2004 World Health Organization (WHO) obesity classification: <25 kg/m(2) (normal), 25-29.