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
Assessment of patient with Prostatism include all/except: 
Select and explain. 
A. Rectal examination, B. Serum PSA, C. Pressure flow urodynamic studies, D. Transrectal ultrasound scanning
C: Pressure flow urodynamic studies
Answer: C: Pressure flow urodynamic studies 
Explanation: None