Ms. Rubin is a 31-year-old female with known right breast cancer and metastatic lymph node in the right axilla. There is heterogeneous amount of fibroglandular tissue in both breasts. Mild parenchymal enhancement is noted bilaterally.In the right upper outer breast, there is an irregular enhancing mass identified measuring 3.1 x 2.3 x 2.6 cm (AP x ML x SI). Susceptibility artifact from biopsy marker clip is seen within the central aspect of this lesion, compatible with biopsy-proven malignancy. There is no additional abnormal enhancement identified in the right breast.There are at least four abnormally enlarged right axillary lymph nodes identified, the largest of which measures approximately 1.7 cm in maximal dimension. This particular lymph node along with associated adjacent postbiopsy changes is compatible with history of biopsy-proven metastatic lymph node.No abnormal enhancement is seen in the left breast. No abnormal axillary lymph nodes are identified in the left axillary region.
(1) Unifocal malignancy within the right upper outer breast with enlarged biopsy-proven metastatic axillary lymph nodes.(2) No MR evidence of malignancy in the left breast.BIRADS: 6 - Known cancer.RECOMMENDATION: T - Take Appropriate Action - No Letter.