Medicine A 10-mm calculus in the right lower ureter associated with proximal hydroureteronephrosis is best treated with: A Extracorporeal shockwave lithotripsy B Antegrade percutaneous access C Open ureterolithotomy D Ureteroscopic retrieval 💡 Explanation A 10-mm calculus in the right lower ureter associated with proximal hydroureteronephrosis is best treated with: ✓ Correct Answer: D. Ureteroscopic retrieval