label: Complex percutaneous pyelolithotomy of stone(s) with extraction of stone(s) over 2 cm iwith antegrade uretroscopy and antegrade stent placement, using imaging guidance
label_lc: complex percutaneous pyelolithotomy of stone(s) with extraction of stone(s) over 2 cm iwith antegrade uretroscopy and antegrade stent placement, using imaging guidance