Abdominal pain. Opacity seen on recent KUB. RIGHT KIDNEY: 14.0 cm in length. There is a 6.2 cm benign appearing cyst at the inferior pole, corresponding to the opacity seen on the recent abdominal radiograph. Unremarkable renal parenchymal echogenicity. No suspicious lesions are evident. No renal stones or hydronephrosis.LEFT KIDNEY: 10.1 cm in length. Unremarkable renal parenchymal echogenicity. No suspicious lesions are evident. No renal stones or hydronephrosis.BLADDER: No significant abnormality noted.OTHER: No significant abnormality noted.
6.2 cm benign-appearing cyst at the right inferior renal pole, corresponding to the opacity seen on the recent abdominal radiograph.