Development of New Models for the Evaluation of Preclinical Treatment for Urothelial Carcinomas of the Upper Excretory Tract. (CICLOP)

, calices) and ureteral tumors. Nephro-ureterectomy is the standard treatment but 80% of patients will have a relapse within 2 years. Only one trial has (Birtle et al. 2020), has shown the interest of