Cubuk, A., Özkaptan , O. and Sahan, A. 2021. reply letter to Reply letter to: Retrograde Intrarenal Surgery vs. Percutaneous Nephrolithotomy vs. Extracorporeal Shock Wave Lithotripsy for Lower Pole Renal Stones 10-20 mm : A Meta-analysis and Systematic Review: stone treatment for Lower Pole Renal Stones 10-20 mm. Urology Journal. 18, 03 (Jan. 2021), 351–352. DOI:https://doi.org/10.22037/uj.v18i03.6590.