Breast cancer is a disease that begins in the cells of the breast, often starting in the milk ducts or the milk-producing glands. The stages of breast cancer describe the extent to which the cancer has spread within the body. Stage 3 breast cancer is an advanced form of the disease, but it is still treatable, and the prognosis can be favorable with early intervention and appropriate t... https://sahyadrihospital.com/blog/what-is-stage-3-breast-cancer/