28-year-old female with known right breast cancer on chemotherapy presents for breast MRI for evaluation. There is extreme amount of fibroglandular tissue in both breasts.Mild parenchymal enhancement is noted bilaterally.A port is seen in the left medial chest wall.Known 4 masses in the right upper central breast have all become smaller. From the superiormost to the inferior most, these masses measure 14 x 6 x 12 mm (AP x LR x CC: previously 21 x 13 x 17 mm), 8 x 6 x10 mm (previously 14 x 16 x 15 mm), 5 x 6 x 6 mm (previously 10 x 9 x 11 mm), and 7 x 5 x 4 mm (previously 9 x 9 x 10 mm). Total span of these masses on sagittal plane is 37 mm (previously 52 mm). Clip artifacts are again seen within the two most superior masses and medial to the most inferior mass.No abnormal enhancement is seen in left breast. No abnormal lymph nodes are identified in either axillary region.
Interval decrease in size of known tumors in the right breast.BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.