71 year old female with known left breast cancer with metastatic left axillary lymph node presents for staging MRI. There is scattered fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.Port-A-Cath is present in the upper inner right chest wall.LEFT BREAST:In the left breast at anterior 11 o'clock position, there is an irregularly shaped enhancing mass, which is proven carcinoma, with non-mass enhancement extending anteriorly and posteriorly. The mass measures 29 x 33 x 27 mm (AP x LR x CC), and overall measurement is 50 x 38 x 33 mm with non-mass enhancement. A marker clip is identified at anterior aspect within the mass.Diffuse skin thickening, predominantly at medial aspect is noted. Mild edema is seen around the cancer. LEFT AXILLA:There is an enlarged lymph node, measuring 33 x 24 x 28 mm) with marker clip at the level 1 region of left axilla. This is a proven metastatic lymph node. In addition, there is another enlarged lymph node, measuring 28 x 13 x 20 mm, at the level 2 region of the left axilla.RIGHT BREAST:No abnormal enhancement is seen in right breast. RIGHT AXILLA:No abnormal axillary lymph nodes are identified in right axillary region.
1. Biopsy proven cancer in the left breast at 11 o'clock position.2. Two abnormal lymph nodes in the left axilla; one of which is proven metastatic.3. No MR evidence of malignancy on the right breast or right axilla. BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.