Urolife Medical Centre is offering Retrograde Intrarenal Surgery for Renal Stones, Cost of RIRS Treatment, RIRS Surgery Cost, RIRS Treatment for Kidney Stone, Kidney Stone Treatment by RIRS, etc. This procedure refers to surgery done inside the kidney with a viewing tube, better known as a fiber optic endoscope. RIRS performed using a flexible ureterorenoscope marked the beginning of a new era in Urology.