“…The more common perioperative complications of PCNL were extravasation, bleeding requiring a blood transfusion, and fever; major complications, such as septicaemia and colonic or pleural injury that required intervention, were very rare [3] , [7] . Various modifications to this technique, including miniature endoscopy or in combination with flexible ureteroscopy, have been developed to decrease adverse events with comparable stone-free rates [5] , [8] , [9] .…”