[Efficacy and safety of flexible ureteroscopy with a navigable suction ureteral access sheath versus mini-percutaneous nephrolithotomy for 23 cm renal stones: a retrospective study].
INTRODUCTION Flexible ureteroscopy using a flexible and navigable suction ureteral access sheath (FANS f-URS) has expanded the possibilities of endoscopic treatment of renal stones; however, its role in the management of renal stones more or equal 2 cm remains controversial. AIM To compare the efficacy and safety of...