Breast cancer is often first suspected when a lump or change in the breast is found or when an abnormal area is seen on a mammogram. Most of the time, these findings do not turn out to be cancer. However, the only way to know for sure is through follow-up tests. This section of Understanding Breast Cancer describes these follow-up tests and discusses how they help to determine your diagnosis and guide your treatment.
Our interactive treatment navigation tool for newly diagnosed patients can help you explore the different types of treatments you may have.