Rigid ureteroscopic lithotripsy versus percutaneous nephrolithotomy for large proximal ureteral stones: A meta-analysis.
Qing WangJiachao GuoHenglong HuYuchao LuJiaqiao ZhangBaolong QinYufeng WangZongbiao ZhangShao-Gang WangPublished in: PloS one (2017)
Both PCNL and rigid URSL are safe for patients with large proximal ureteral stones while PCNL is more effective in stone clearance.