Ms. Johnson is a 61 year old female with known right breast malignancy status post neoadjuvant chemotherapy. She presents today for imaging evaluation to assess for treatment response. There is heterogeneous amount of fibroglandular tissue in both breasts. Mild parenchymal enhancement is noted bilaterally.There is revisualization of the biopsy-proven malignancy in the right upper outer breast with associated biopsy marker clip now measuring approximately 0.4 x 0.6 x 0.5 cm (AP x ML x SI) previously measuring 1.5 x 1.4 x 2.2 cm (MRI - 5/13/2016). In addition, there is revisualization of biopsy marker clip with faint associated enhancement anteromedial to the index malignancy, compatible with prior benign MR-guided biopsy site. There is no new abnormal enhancement seen in either breast. No abnormal lymph nodes are identified in either axillary or internal mammary region.
(1) Interval decrease in size of index malignancy of the right breast.(2) No MRI evidence of malignancy in the left breast. BIRADS: 6 - Known cancer.RECOMMENDATION: T - Take Appropriate Action - No Letter.