69 year old female with left breast cancer presents for staging MRI. There is scattered fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.In the left breast, known cancer is present at posterior 9 o'clock position, measuring 35 x 12 x 17 mm (AP x LR x CC). A marker clip is present at anterior-inferior aspect of the mass. The tumor is located just anterior to the pectoralis muscle, but there is no evidence of invasion to the muscle (no enhancement of the muscle). No other abnormal enhancement is present in the left breast.There is no abnormal internal mammary lymph node in left or right internal mammary region. In the right breast, a known benign mass is present in the central aspect, measuring 19 x 15 x 14 mm. At superior aspect of the retroareolar region in the right breast, there is an enhancing focus. This focus corresponds to the benign cluster of calcifications on mammogram, and this is likely a benign papilloma or fibroadenoma. No abnormal lymph nodes are identified in either axillary region.
1. Known left breast cancer at posterior 9 o'clock position.2. No abnormal lymph node in either internal mammary region or axillary region.3. Known benign mass in the central aspect of right breast and a benign focus in the right retroareolar region.BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.