Monarch Disease Ontology id MONDO_0002836 (urethra transitional cell carcinoma) is a transitional cell carcinoma that arises from the male or female urethra. Also known as: transitional cell carcinoma of the urethra, transitional cell carcinoma of urethra, urethral transitional cell carcinoma, urethral urothelial cancer, urethral urothelial carcinoma.