Learn what breast cancer is, who is at high risk, and about symptoms, mammograms, diagnosis, and treatment for breast cancer. Breast cancer is the second most common cancer among women in the United States. The Data Visualizations Tool provides detailed statistics. Learn more. Mammograms are the best test to find breast cancer early. In this video, Dr.
This ultrasound image shows prominent and dilated mammary ducts in the lactating breast. The ducts are seen as tubular hypoechoic structures, which widen as they approach the nipple. Sometimes, it may be possible to see fat drops within the milk secretions in the ducts. These appear as mildly echogenic debris within the ducts.