MSFinals-6779

MSFinals-6779

A 32-year-old obese man presents to Accident and Emergency with a 2-day history of nausea, frank haematuria and sharp, persistent left-sided flank pain, radiating from the loin to the groin. On examination, he has left renal angle tenderness.
Urine dip shows:
frank haematuria
blood 2+
protein 2+.
He has a history of hypertension, appendicitis 10 years ago and gout. You order a non-contrast computerised tomography (CT) for the kidney–ureter–bladder (KUB), which shows a 2.2 cm calculus in the proximal left (LT) ureter.
Which of the following is the definitive treatment for this patient’s stone?