Two well-defined, lobulated benign-looking hypoechoic nodules measuring 2.0 x 1.9 cm and 1.5 x 1.3 cm, lying close to each other, are seen at 2 o'clock position in the left breast. Mild internal vascularity is seen in the larger nodule on color Doppler ultrasound examination.
Impression: Well-defined benign looking nodules in a lactating female; possible differentials are fibroadenoma and lactating adenoma.