This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney and ureter, Subject name: Surgery
What is the preferred treatment option for 1.5 cm stone located in lower third of ureter? 
Select and explain. 
A. ESWL, B. PCNL, C. URS, D. Ureterolithotomy
C: URS
Answer: C: URS 
Explanation: Management of Ureteric Stone- Depends on location of stone* Stone in upper and middle 1/3rd of ureter- Size of stone up to 1cm - ESWL > URS- Size of stone > 1cm - URS* Stone in lower 1/3rd of ureter - URS (No use of shockwaves in this area)