66 year old female patient with history of metastatic medullary thyroid cancer. Evaluate response to treatment. ABDOMEN:LIVER, BILIARY TRACT: Cholelithiasis and gallbladder distension without evidence of acute cholecystitis, similar in appearance to the prior study.Numerous hepatic metastases are again noted, some of which are stable to smaller in size. The reference lesion in the inferior aspect of the liver measures 1.7 x 1.4 cm on DWI imaging (image 68, series 6), previously 2.0 x 1.8 cm. A peripheral lesion in the posterior segment of the right hepatic lobe measures 2.3 x 1.6 cm (image 64, series 6), previously 3.4 x 2.4 cm. No new hepatic lesion is identified. SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Bilateral renal cysts are again noted, some of which are complicated by hemorrhage. Subcentimeter T2 hyperintense lesions are too small to characterize.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: Scattered osseous lesions have signal characteristics of hemangiomas. OTHER: No significant abnormality noted.
1.Interval decrease in size of multiple hepatic metastases. No new lesion is identified.2.Cholelithiasis. 