Left flank pain RIGHT KIDNEY: 9.3 cm in length. Mildly echogenic renal parenchyma. 19 mm benign-appearing cyst noted in the midpole. No renal stone identified. No suspicious lesions. No hydronephrosis.LEFT KIDNEY: 10.8 cm in length. Mildly echogenic renal parenchyma. 13 mm benign-appearing cyst noted in the inferior pole. No renal stone identified. No suspicious lesions. No hydronephrosis.BLADDER: No significant abnormality noted.OTHER: No significant abnormalities noted.
No specific findings to account for the patient's flank pain.