2.3. Inclusion Criteria
lower calyx stones, proximal ureter stones, shock
SHOCK
Patients who were candidates for PCNL elective surgery with pilocalyx stones larger than 20 mm and 10–20 mm stones resistant to ESWL (extracorporeal shock wave lithotripsy), lower calyx stones larger than 10 mm, large impacted proximal ureter stones, body mass index <30 kg/m