Breast Cancer Stages: What do They Mean?
The two major classes of breast cancer are invasive and noninvasive. Non-invasive breast cancers stay inside the milk ducts and lobules of the breast. Invasive cancers unfold past these areas and invade standard tissue. The main noninvasive type is ductal carcinoma in situ (DCIS), in which cancer develops in the ducts that lift milk to … Read more