Bladder Non-Urothelial Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An uncommon carcinoma that arises from the bladder and is characterized by the presence of non-urothelial histological features. This category includes squamous cell carcinoma, adenocarcinoma, and neuroendocrine carcinoma.

**Synonyms:** - NUBC - Non-Urothelial Bladder Carcinoma