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Metastatic Breast Cancer Initiative
What is metastatic breast cancer?
Metastatic breast cancer (also called stage IV or advanced breast cancer) is not a specific type of breast cancer. It’s the most advanced stage of breast cancer.
Metastatic breast cancer is breast cancer that has spread beyond the breast and nearby lymph nodes to other organs in the body (most often the bones, lungs, liver or brain).
Although metastatic breast cancer has spread to another part of the body, it’s still breast cancer and treated as breast cancer.
For example, breast cancer that has spread to the bones is still breast cancer (not bone cancer). Therefore, it’s treated with breast cancer drugs, rather than treatments for a cancer that began in the bones.
Newly Diagnosed with Metastatic Breast Cancer
If you’re newly diagnosed with metastatic breast cancer, you’re not alone. We have information to help you process and make informed decisions about your care. If you have questions and want to talk to someone, call the Komen Breast Care Helpline at 1-877 GO KOMEN (1-877-465-6636).