CONTEMPORARY PATTERNS OF PRESENTATION, DIAGNOSTICS AND MANAGEMENT OF UPPER TRACT UROTHELIAL CANCER IN 101 CENTRES: THE CLINICAL RESEARCH OFFICE OF THE ENDOUROLOGICAL SOCIETY GLOBAL UPPER TRACT UROTHELIAL CARCINOMA REGISTRY Article Baard J., Cormio L., Cavadas V., Alcaraz A., Shariat S.F., De la Rosette J., Laguna M.P. Current Opinion in Urology. Lippincott Williams & Wilkins. Vol. 31. 2021. P. 354-362