Based on the treatment modality , patients were divided into three groups.Patients in group 1 only received conventional treatment including daily hydration of 2500 mL , ciprofloxacin , diclofenac sodium and a spasmolytic agent ; group 2 patients received conventional treatment ( daily hydration of 2500 mL , ciprofloxacin , diclofenac sodium and a spasmolytic agent ) and tamsulosin 0.4 mg orally daily for 4 weeks ; and group 3 patients underwent ureteroscopy .