Non-Invasive Bladder Papillary Urothelial Carcinoma, Low Grade

**Semantic type:** Neoplastic Process

**Definition:** A non-invasive bladder papillary urothelial carcinoma characterized by minimal cytologic atypia and infrequent mitotic figures (usually limited to the lower half of the tumor). This type of carcinoma recurs frequently, may invade the bladder wall, and has a low risk of progression.

**Synonyms:** - Bladder Non-Invasive Papillary Urothelial Carcinoma, Low Grade - Bladder Non-Invasive Papillary Urothelial Carcinoma, Low Grade