This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
[{'content': 'Urine cytology is used for the screening of: \nSelect and explain. \nA. Wilms tumor, B. Renal cell carcinoma, C. Urothelial carcinoma, D. Carcinoma prostate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Urothelial carcinomaRef: Campbell Urology 11th Edition, Page 2197* Urinary cytology is used for screening of urothelial cancer.* AUA guidelines for evaluation include cystoscopy, upper; tract imaging and urine cytology.', 'role': 'assistant'}]