II. To estimate the differences between RRC and ORC in terms of the following surgical and complication outcomes: all complications occurring intraoperatively, during postoperative hospitalization and during the 90 days post cystectomy assessed at 7, 14, and 30 days; at 6 weeks and at 3 months-graded according to the Clavien-Dindo classification; all complications, all grade 3+ complications, and all grade 4+ complications; time to oral intake; estimated blood loss during surgery, number of transfusions on the day of surgery; drop in hematocrit at 24 hours; lymph node yield; and positive surgical margin.