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
A 55 year old patient presents with history of five episodes of macroscopic hematuria each lasting for about 4 to 5 days in the past five years. Which of the following investigations should be performed to evaluate the suspected diagnosis. 
Select and explain. 
A. X ray KUB, B. Ultrasound KUB, C. DTPA scan, D. Urine microscopy and cytology
D: Urine microscopy and cytology
Answer: D: Urine microscopy and cytology 
Explanation: None