ultrasound Images
Normal Breast Duct Cyst Fibroadenoma Phyllodes Malignant Other

Breast Tissue 

Normal breast tissue showing: The premammary zone (skin and overlying breast fat) The mammary zone (fibroglandular tissue) The retro-mammary zone (predominantly fat and the muscles of the chest wall)

Source http://www.ultrasoundpaedia.com/pathology-breast/

Normal Lactating Breast 

Normal lactating breast tissue. The prominent fluid filled ducts and their echogenic epithelial lining is readily visible.

Source http://www.ultrasoundpaedia.com/pathology-breast/