Left renal mass RIGHT KIDNEY: Multiple benign cysts again noted. No worrisome mass, stone, or hydronephrosis. Right kidney 11.7 cm in lengthLEFT KIDNEY: 1.9 x 1.6 x 2.1 cm mildly echogenic solid lesion corresponding to the enhancing focus seen on the MR within the midportion of the left kidney. Stable benign left renal cysts. No stone or hydronephrosis. Left kidney 11.9 cm in length.OTHER: Bladder nondistended
Previous seen MR enhancing lesion within the left renal interpolar region can be identified on ultrasound as an mildly echogenic solid lesion on ultrasound which does not fulfill the criteria for a simple cyst; a malignant etiology such as papillary renal cell carcinoma is suspected.