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Metastatic breast cancer

Metastatic (secondary) breast cancer occurs when breast cancer cells spread from the breast to other parts of the body. Read about diagnosis, treatment and living with metastatic breast cancer.

1. What is metastatic breast cancer?

What is metastatic breast cancer?

2. Spot the symptoms

3. Diagnosis

Metastatic breast cancer tests

If you have metastatic (secondary) breast cancer symptoms, you may be offered tests. Learn more about these tests, including CT scans, MRI scans and biopsies.

4. Treatment and living with

Living with metastatic breast cancer

Living with metastatic (secondary) breast cancer can bring up lots of concerns. Explore our information on emotional, physical and practical topics, from money and work needs, to relationships.

Quality Assurance

Last reviewed in January 2025. The next planned review begins in January 2026.

Support for you

  • Call our free helpline

    If you have any concerns about breast cancer, or just want to talk, our specialist nurses are here for you.

    0808 800 6000

    Lines open: Monday to Friday - 9am to 4pm; Saturday - 9am to 1pm

  • Explore ways to talk to our nurses

    It can be difficult to talk to someone in person about breast cancer concerns. Explore other ways you can ask a question.

  • Jane, a woman with a short silver bob, orange jumper and dark red checkered coat, holding a walking stick, smiling for a portrait to camera, with a wide landscape green field behind her.

    Groups for people with metastatic (secondary) breast cancer

    You don't have to face metastatic breast cancer alone. Join a group and connect with people who understand in a safe, supportive space.

  • A woman sitting in a garden, looking peaceful

    Events for younger women with metastatic (secondary) breast cancer

    If you're a younger woman with metastatic breast cancer, we're here for you. Meet other women who understand and get tailored support.