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Breast Cancer Chemotherapy Immunotherapy Metastatic Patient Stories Treatments triple negative (TNBC)

A Second Chance at Life: Maggie’s Stage 4 PD-L1+ Triple-Negative Breast Cancer Story

Maggie C., Triple-Negative Breast Cancer, Stage 4 (Metastatic), PD-L1+

Symptoms: Bruising sensation in the breast, soft lump

Treatments: Chemotherapy, clinical trial (antibody-drug conjugate and immunotherapy)

A Second Chance at Life: Maggie’s Stage 4 PD-L1+ Triple-Negative Breast Cancer Story

When Maggie moved to the United States from the Netherlands to be with her wife, cancer was the last thing on her mind. But in 2022, she was diagnosed with stage 4 triple-negative breast cancer (TNBC). What followed was an unexpected, life-changing experience that reshaped how she saw both the disease and her own resilience.

Interviewed by: Taylor Scheib
Edited by: Katrina Villareal

Maggie’s story started as a bruising sensation in her left breast, which was something she initially attributed to exercise or a tight sports bra. Because she had no family history of breast cancer, she wrongly believed she was not at risk. When the lump grew, her concerns deepened, but as a visitor in the U.S., the cost of medical care made seeking immediate answers difficult. When she finally returned to the Netherlands, her doctor suspected a benign cyst, but ordered further testing just in case.

Maggie C. feature profile

The truth came in stages. A mammogram, an X-ray of her lungs, and a biopsy revealed that while two tumors were benign, one was malignant. The cancer had spread to Maggie’s lymph nodes and lungs. The final diagnosis—stage 4 triple-negative breast cancer—was delivered bluntly, with an expectation that she might not live past two years. But she refused to accept that prognosis as final.

Returning to the U.S., Maggie navigated the complex healthcare system and secured treatment. A clinical trial offered an opportunity she hadn’t considered before. She had never heard of clinical trials in her home country, but in America, they became a lifeline. She was placed on a regimen including an antibody-drug conjugate with immunotherapy. Over time, the cancer receded, and today, she has no evidence of disease.

Throughout her treatment, Maggie learned the power of self-advocacy. Understanding the details of her clinical trial, asking questions, and staying informed about treatment options became crucial. She emphasizes that clinical trials can be a safe space for those with aggressive cancers like stage 4 triple-negative breast cancer because of the constant monitoring and access to cutting-edge treatments.

Beyond medicine, Maggie leaned into her mental resilience. She speaks passionately about shifting perspective—rethinking “Why me?” to “Why not me?” She believes in the importance of self-affirmation, reminding herself daily that she is strong, worthy, and still here. Cancer did not strip her of her identity or her future; instead, she found purpose in advocating for others and embracing life fully.

Maggie encourages others to prioritize physical and mental well-being. Walking, exercising, and staying active helped her through the exhaustion of treatment. She believes in supporting fellow patients by sharing knowledge and breaking down fears surrounding clinical trials and treatments. Maggie’s story is not just about survival—it’s about transformation. Cancer changed her life, but it did not define it. She continues to embrace every moment, proving that no one should be counted out too soon.


  • Name: Maggie C.
  • Age at Diagnosis:
    • 44
  • Diagnosis:
    • Triple-Negative Breast Cancer
    • PD-L1+
  • Staging:
    • Stage 4
  • Symptoms:
    • Bruising sensation in the breast
    • Soft lump
  • Treatments:
    • Chemotherapy
    • Clinical trial: antibody-drug conjugate and immunotherapy
Maggie C.
Maggie C.
Maggie C.
Maggie C.
Maggie C.
Maggie C.
Maggie C.

This interview has been edited for clarity. This is not medical advice. Please consult with your healthcare provider to make treatment decisions.


Maggie C. feature profile
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