A Cause of Right-Sided Flank Pain: Retrocaval Ureter.

Background: The retrocaval ureter represents a rare congenital anomaly that occurs in 0.1% of the population and causes progressive ureterohydronephrosis, most of which are asymptomatic. Case Report: In this case report, the retrocaval ureter detected in an adult male complaining of right-sided colicky flank pain is discussed. Conclusion: This condition, whose main cause is an anomaly in the development of the vena cava, is easily diagnosed with imaging methods, and its symptoms can be completely corrected with surgical treatment.