Stage 3 breast cancer is a condition when cancer cells in the breast have spread to the lymph nodes around the armpits. This condition is very dangerous and usually a lump that grows in the breast area is more than 5 centimeters (cm) in size. Basically, the stage of breast cancer is done to determine the extent to which the cancer develops and spreads. To overcome breast cancer requires a combination of more than one type of treatment. For example, chemotherapy that is done to minimize the tumor is applied before surgery. Division of Breast Cancer Stage To find out how far the cancer cells have spread, the doctor will conduct a series of checks. There are several choices of procedures that doctors can do, including blood tests, physical examinations, breast scans using mammography, ultrasound, CT scan, MRI, or PET scan, to get a more detailed picture of the condition of the breast. Stage 3 breast cancer is divided into 3A, 3B, and 3C. Stage 3A category indicates the size of the