Combined Robot-Assisted Radical Cystectomy and Robot-Assisted Nephroureterectomy for Synchronous High-Risk Upper Urinary Tract and Bladder Cancer: A Single-Center Retrospective Study and Review of the Literature. - Kostakopoulos, Nikolaos; Evmorfopoulos, Konstantinos; Maresca, Gianluca; Athanasiadis, Grigorios; Kostakopoulos, Athanasios; Dimitropoulos, Konstantinos (Journal of Clinical Medicine, 2026)