56-year-old male with history of renal cell carcinoma. Evaluate for recurrence or metastases. ABDOMEN:LIVER, BILIARY TRACT: Scattered subcentimeter benign cysts.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Postoperative changes of left upper pole partial nephrectomy.Left mid pole T2 hypointense lesion with mild enhancement measuring 1.8 x 1.4 cm (image 34 series 3). Two additional T2 hypoattenuating lesions with mild contrast enhancement are seen in the left lower pole measuring 11 and 8 mm and are indeterminant.Right upper pole T2 hypoattenuating lesion has increased in size measuring 7 mm, previously 3 mm (image 22 of series 3). Right midpole complex cyst with enhancing septations measures 1.9 x 1.3 cm, previously 1.9 x 1.6 cm (image 21 of series 13).Additional benign-appearing cysts are present bilaterally.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1. Left mid pole solid lesion concerning for papillary RCC, not significantly changed from prior. Additional smaller lesions in the left lower pole are indeterminant, but stable in size. 2. Interval increase in size of small right upper pole lesion which is too small to accurately characterize.3. Right sided complex cyst is stable in size and appearance.