This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
. Urinary cytology is a useful screening test for the dignosis of - 
Select and explain. 
A. Renal cell carcinoma, B. Wilm's tumour, C. Urothelial carcinoma, D. Carcinoma prostate
C: Urothelial carcinoma
Answer: C: Urothelial carcinoma 
Explanation: None