46 year old status post left lumpectomy and sentinel lymph node biopsy (7/17/15) for DCIS with microinvasion. Pathology showed close surgical margins. There is heterogeneous amount of fibroglandular tissue in both breasts.Moderate parenchymal enhancement is noted bilaterally.LEFT BREAST AND LEFT AXILLA:At posterior 11:00 position, there is a post-surgical seroma, measuring 31 x 20 x 13 mm (AP x LR x CC). There are also post-surgical changes in the left axilla. There is a regional non-mass enhancement at posterior 10:00 position, measuring 21 x 17 x 33 mm, located immediately inferior to the seroma cavity. Overall measurement including seroma is 21 x 28 x 37 mm.No abnormal lymph nodes are identified in left axillary regionRIGHT BREAST AND RIGHT AXILLA:No abnormal enhancement is seen in right breast. No abnormal lymph nodes are identified in right axillary region.
1. Suspicious non-mass enhancement located inferiorly from the post-surgical seroma in the left breast.2. No MR evidence of malignancy in the right breast.3. No abnormal lymph nodes in either axillary region.BIRADS: 4 - Suspicious Abnormality.RECOMMENDATION: X - No Letter.