History of metastatic invasive bladder cancer status post cystectomy and urostomy. Left lower quadrant abdominal pain. Clinical concern for hydronephrosis. RIGHT KIDNEY: 10.5 cm in length. Unremarkable renal parenchymal echogenicity. No suspicious lesions are evident. No renal stones or hydronephrosis.LEFT KIDNEY: 11.7 cm in length. Unremarkable renal parenchymal echogenicity. No suspicious lesions are evident. There is mild hydronephrosisBLADDER: Collapsed.OTHER: No significant abnormality noted.
Mild left hydronephrosis. This asymmetry of hydronephrosis is new compared to the prior CT on 12/31/2015.