Researchers report that when ductal carcinoma in situ, or DCIS, spreads beyond the breast's milk ducts, the cause lies not in the tumor cells themselves but in a group of abnormal surrounding cells ...

Breast cancer researchers have mapped early genetic alterations in normal-looking cells at various distances from primary tumors to show how changes along the lining of mammary ducts can lead to ...

A new technique enables doctors to directly examine the lining of milk ducts in the breast for early signs of cancer and other abnormalities, according to research at Washington University School of ...

BOSTON--When a form of cancer that begins in the milk ducts of the breast invades neighboring tissue to spread to other parts of the body, the cause lies not in the tumor cells themselves but in a ...