41-year-old female with multicentric left breast cancer, assess response. There is heterogeneous amount of fibroglandular tissue in both breasts.Minimal parenchymal enhancement is noted bilaterally.There is an irregularly shaped enhancing mass, measuring 31 x 14 x 12 mm (previously 32 x 24 x 22 mm) (AP x LR x CC)with clip artifact at posterior aspect and anterior-lateral aspect, in the left breast atposterior 12 - 1 o'clock position. Immediately anterior to the proven cancer, there is another irregularly shaped highly suspicious mass, measuring 25 x 15 x 11 (previously 27 x 23 x 19 mm) (AP x LR x CC). Additionally, there is a suspicious enhancing mass at anterior 12 o'clock position, measuring 6 x 7 x 7 mm (previously 11 x 16 x 15 mm) (AP x LR x CC). And there are multiple small enhancing foci in the retroareolar region, anterior upper inner and upper outer region and middle 6 o'clock position. Those foci are all suspicious for malignancy. Overall extent of these lesions is 83 x 55 x 69 mm (previously 83 x 59 x 74 mm) (AP x LR x CC).There are at least two normal morphology left axillary lymph nodes.No abnormal enhancement is seen in right breast. No abnormal lymph nodes are identifiedin right axillary region.
Interval response to treatment with measurements provided above.BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.