Findings show enhanced safety with flexible ureteroscopy and suction access sheaths for complex lower calyceal stones, indicating fewer complications.
FURL combined with FANS offers superior efficacy and safety compared to conventional FURL for managing 1-2 cm complex lower calyceal stones. This approach resulted in higher stone-free rates, reduced operative times, shorter hospital stays, and fewer postoperative complications, presenting a promising alternative for this challenging condition. Larger, multicenter studies are needed to confirm these findings.
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Zhu et al. (2025) studied this question.
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