Surgery A 10-mm calculus in the right lower ureter associated with proximal hydroureterone-phrosis is best treated with A ESWL B PCNL C Open ureterolithotomy D Ureteroscopic retrieval 💡 Explanation A 10-mm calculus in the right lower ureter associated with proximal hydroureterone-phrosis is best treated with ✓ Correct Answer: D. Ureteroscopic retrieval