40 year old with newly diagnosed right breast high grade IDC with DCIS presents for breast MRI There is scattered fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.In the right breast, there is a regional non-mass enhancement measuring 34 x 24 x 17 mm (AP x LR x CC) at the central aspect, consistent with biopsy proven malignancy. Biopsy changes are present at the anterior and posterior aspects of the non-mass enhancement.No abnormal enhancement is seen in left breast. No abnormal lymph nodes are identified in either axillary region.
1. Non-mass enhancement at the central aspect of right breast, corresponding to the biopsy proven malignancy2. No MRI evidence of malignancy in the left breast or either axilla.BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.