Women's & Family Health

Metastatic Breast Cancer Awareness Day • October 13

170,000 Women Are Living With This Right Now. Most People Have Never Heard Their Story.

Metastatic breast cancer, stage IV, is breast cancer that has spread beyond the breast and nearby lymph nodes. It's treatable, even when it isn't curable, and it deserves attention that doesn't stop when October ends.

170,000

women estimated living with metastatic breast cancer in the U.S. in 2025. Source: Komen.

5 to 6%

of new breast cancer diagnoses are already metastatic at the start. Source: NCI.

20 to 30%

of early-stage patients eventually develop metastatic disease, sometimes decades later. Source: NCI.

32%

5-year relative survival for distant-stage disease, a population average that keeps improving as treatment does. Source: ACS.

Where It Can Show Up, And What To Watch For

Symptoms depend on where the disease has spread. None of these confirm anything on their own, they're reasons to call, not to panic

Bone Pain Shortness Of Breath Persistent Cough Abdominal Swelling Yellowing Skin Or Eyes New Severe Headaches Confusion Unexplained Fatigue Unexplained Weight Loss Balance Or Vision Changes

Why We Are Talking About This

"Not curable" is not the same sentence as "nothing left to do."

I don't have a metastatic breast cancer story of my own to tell you. What building this page taught me is that most awareness conversations stop at "get a mammogram" and never get to what happens for the roughly 170,000 women living with stage IV disease right now, some diagnosed that way from the start, most after an earlier diagnosis came back months, years, or even decades later.

Metastatic breast cancer is generally not curable with today's treatment. It is treatable. People live for years on therapies aimed at control, extending life, easing symptoms, and protecting quality of life, not just buying time.

October 13 exists because this group gets folded into general breast cancer awareness and then quietly disappears from it, even though their need for research funding, expert care, and community support doesn't pause when the ribbon changes color for another month.

Living with metastatic disease is not a failure to fight hard enough. It's a different chapter of the same disease, and it deserves to be seen on its own terms.

Understand What This Is

Metastatic Breast Cancer: What It Involves

What is metastatic breast cancer?

Stage IV breast cancer, cancer cells that traveled through the blood or lymph system and established disease somewhere distant, most often the bones, lungs, liver, or brain. It's still breast cancer wherever it's found.

Is it always found right away, or does it come back later?

Both happen. About 5 to 6% of new U.S. breast cancer diagnoses are metastatic from the start (de novo). An estimated 20 to 30% of women first diagnosed at an early stage eventually develop metastatic disease, sometimes decades after the original diagnosis.

What symptoms need medical attention?

Bone pain or new fractures, shortness of breath or a persistent cough, yellowing skin or abdominal swelling, and new severe headaches, confusion, or vision changes, depending on where it has spread.

A seizure, sudden confusion, trouble speaking, sudden weakness, severe shortness of breath, or chest pain needs emergency care, not a routine appointment.

Is it curable?

Generally not with treatment available today, but it is treatable. Many people live for years on therapy aimed at controlling the disease, extending life, relieving symptoms, and protecting quality of life.

What does treatment look like?

Mainly systemic treatment, hormone therapy, chemotherapy, targeted therapy, immunotherapy, or a combination. Surgery or radiation is sometimes used to control a specific tumor or relieve a symptom, not to remove the whole disease.

Is palliative care the same as giving up?

No. Palliative care can run alongside active treatment for pain, fatigue, nausea, breathlessness, anxiety, and emotional or spiritual concerns. It's support, not a signal that treatment has stopped.

Seen All Year, Not Just In October

People living with this need visibility, research funding, and community every month, not one day a year.

These organizations focus specifically on metastatic disease, not general breast cancer awareness, which is exactly the gap this page exists to name.

Primary Resource

MetaVivor

The leading nonprofit funding metastatic breast cancer research specifically, and the organization behind the #LightUpMBC campaign for October 13.

metavivor.org

Support & Community

Living Beyond Breast Cancer

Programs, a helpline, and community built specifically for people living with metastatic disease, not general survivorship content.

lbbc.org

Patient Advocacy

Metastatic Breast Cancer Network

A patient-run advocacy organization focused on metastatic-specific research funding, awareness, and connecting patients to each other.

mbcn.org

Federal Resource

National Cancer Institute

Federal research and clinical information on metastatic breast cancer, including the statistics used throughout this page.

cancer.gov

If Someone You Love Is Living With This, Here's What Helps.

The most helpful support is specific, practical, and respectful of what they want, not what feels good to offer.

Ask "what kind of support feels helpful today," not "let me know if you need anything"
Offer something specific: a meal Tuesday, a ride Thursday, school pickup this week
Attend appointments if you're invited, and take notes
Respect their boundaries around updates, visitors, and what gets shared publicly
Stay present after the first few weeks, when everyone else's attention usually moves on
Skip "everything happens for a reason" and "just stay positive." Try "I'm here, tell me what you need" instead

Start With The Fuller Picture.

This page covers metastatic disease specifically. For general breast cancer risk, screening, and early detection, the companion page has that ground covered.

Read Breast Cancer Awareness