Impact of Ureteral Stent and Sheaths Size on Post-Operative Pain

Exclusion Criteria

• •Patients with intra-operative ureteral injury who will require ureteral stent for extended time (more than 10 days, in that case a stent without a string will be used).
• •Patient undergoing ureteroscopy for any indication other than stone extraction.
• •Patients who are currently pregnant as determined by clinical presurgical screening.