Left renal mass/cyst on prior abdominal CT. Evaluation is limited by lack of IV contrast.ABDOMEN:LUNGS BASES: Small pericardial effusion.LIVER, BILIARY TRACT: Diffusely low T2 signal throughout the liver is suggestive of iron deposition.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Bilateral atrophic kidneys. The 2.2 x 1.9 cm round lesion in the left kidney midpole is again seen. This lesion is hypointense to renal parenchyma on T2-weighted sequences and heterogeneously hypointense on T1-weighted sequences. No internal microscopic or macroscopic fat signal is evident.Right lower quadrant transplant kidney.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.
2.2 cm lesion in the left native kidney, which remains indeterminate in appearance. The mass does not definitely meet criteria for a hemorrhagic cyst, and biopsy is recommended to exclude renal cell carcinoma.