37-year-old female with newly diagnosed right breast IDC with metastatic right axillary lymph node. There is scattered fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.RIGHT:There is an irregularly shaped enhancing mass at 8:00 position in the right breast measuring 36 x 27 x 24 mm (AP x LR x CC), consistent with biopsy-proven carcinoma. The tumor demonstrates high signal on T2-weighted images. A marker clip is identified at superior-anterior aspect of this mass.There is a linear branching, clumped non-mass enhancing lesion, measuring 41 x 27 x 20 mm at right retroareolar region.In the right axilla, a proven metastatic lymph node is visualized, measuring 25 x 25 x 22 mm. No other abnormal lymph nodes are present in the right axilla.LEFT:No abnormal enhancement is seen in left breast. No abnormal lymph nodes are identified in left axillary region.A port is present in the superior-medial chest wall.
1. Biopsy proven right breast cancer with metastatic right axillary lymph node.2. Linear branching, clumped non-mass enhancing lesion in the right retroareolar region. MR-directed ultrasound is recommended. If no sonographic correlation is detected, MR guided biopsy should be considered.3. No MR evidence for malignancy in the left breast or left axilla.BIRADS: 4 - Suspicious Abnormality.RECOMMENDATION: T - Take Appropriate Action - No Letter.