Breast Cancer Staging: What You Need to Know Breast cancer is one of the most common types of cancer affecting women worldwide. Once a person is determined to have a malignant tumor or diagnosed with breast cancer, tests are done to determine whether the cancer has spread within the breast or to other parts of the body through a process called staging. This blog article discusses the different stages of breast cancer, including factors that influence staging, and treatment options. What is Breast Cancer Staging? Breast cancer staging is the process used at diagnosis to determine how much cancer is in the