Figure 2From: Laparoscopic nephrectomy for giant staghorn calculus with non-functioning kidneys: Is associated unsuspected urothelial carcinoma responsible for conversion? Report of 2 casesa) Plain x-ray KUB revealing a large right staghorn calculus extending in the upper ureter. b) Intravenous urography showing non-visualized right kidney with normally functioning left kidney.Back to article page