Presentation
Left flank pain and hematuria.
Patient Data
Age: 50 years
Gender: Male
From the case:
Ureteral stone
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Frontal

Several small densities are seen in the left renal lodge inferring stones. Additionally, a larger stone located at the proximal of the left ureter causes severe hydronephrosis and delayed contrast excretion.
Case Discussion
Severe left sided hydronephrosis due to proximal ureteral stone.