46 year old with biopsy proven grade 3 IDC in the right breast with metastatic right axillary lymph node. There is scattered fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.A heterogeneously enhancing mass, measuring 38 x 39 x 37 mm (AP x LR x CC), which is a proven carcinoma, is present at 9:00 position in the right breast. A marker clip is identified at anterior-lateral aspect within the mass. Anterior to this mass, there is a linear non-mass enhancement measuring 28 x 25 x 19 mm, suspicious for extensive disease. Overall, the enhancing lesions measure 66 mm (AP).In the right superior axilla, there is an abnormally enlarged lymph node, a proven metastatic lymph node, measuring 44 mm. Post biopsy changes are seen in the cetral aspect of the lymph node. A marker clip is present at the anterior edge of the lymph node. There are two additional abnormal nodes, both approximately 1 cm in diameter, located posterior to the proven lymph node.No abnormal enhancement is seen in left breast. No abnormal lymph nodes are identified in left axillary region.
1. Proven right breast cancer with possible anterior non-mass extension 2. Proven right metastatic axillary lymph node, with additional suspicious nodes.3. No MR evidence of malignancy in the left breast or left axilla BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.