61 year-old female with biopsy proven invasive lobular carcinoma in the right breast, presents for staging MRI. There is scattered fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.In the right breast, there is an enhancing mass measuring 9 x 5 x 8 mm at posterior 9 o'clock position, consistent with a biopsy proven ILC. A marker clip is identified at lateral aspect of this mass.In the left breast at retroareolar region, benign appearing enhancing focus is present.No abnormal lymph nodes are identified in either axillary region.
1. Unifocal cancer in the right breast.2. Benign appearing enhancing focus in the left breast, for which follow up MRI in 6 months is recommended.3. No abnormal lymph nodes in either axillary regionBIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.