What is Triple Negative Breast Cancer?

Understanding TNBC: The Most Aggressive Breast Cancer You've Never Heard Of

Learn what sets triple-negative breast cancer apart, why it affects younger women and black women at higher rates, and why early detection is so critical.

What is Triple-Negative Breast Cancer?

When most people hear "breast cancer", they think of pink ribbons and hopeful stories of early detection and recovery. But not all breast cancers are the same and triple-negative breast cancer (TNBC) is a rare, aggressive form that doesn't play by the usual rules.

TNBC accounts for about 10-15% of all breast cancers, yet it's often the most misunderstood and underfunded. It's called triple-negative because it tests negative for three key receptors that most other breast cancers rely on to grow:

• Estrogen receptors (ER)

• Progesterone receptors (PR)

• HER2 Protein

This means that TNBC does not respond to hormonal therapies or HER2-targeted treatments, making it harder to treat and more likely to return after treatment.

Who is Most at Risk?

Triple-negative breast cancer can affect anyone, but it is:

• More common in women under 40

• More likely to occur in Black women

• More prevalent among those with a BRCA1 gene mutation

TNBC also tends to grow and spread faster than other types of breast cancer, making early detection and quick access to care critical.

Why We're Speaking up

At the Blue Butterfly Foundation, our mission is to shed light on the realities of TNBC because knowledge saves lives.

Our founder created this organization after losing both her sister and her mother to breast cancer. What began as grief has become a movement to ensure that women fighting TNBC and any other form of cancer don't also have to fight poverty, homelessness or isolation.

What We're Doing About It

We offer:

• Housing Support through our Blue Haven Housing Program

• Comfort kits to help support healing during chemo

• Transportation funds to help patients get to treatment, doctors appointments and pharmacies.

• Emotional support through our Healing Wings program

If you or someone you love has been diagnosed with TNBC or any other cancer, know this: you are not alone. If you've never heard of TNBC until now you're exactly who this post is for.

Get Involved

• Share this post with someone who needs it

• Follow us on social media for more TNBC education

• Donate or volunteer to help women in crisis during treatment

Together, we can turn awareness into action and hope into healing.