T TNBC Atlas

For patients & families

Plain-language information about triple-negative breast cancer

Every page here is grounded in cited primary literature, written for non-specialists, and reviewed by patient advocates before publication. Use the topics below to get started, and follow the 'go deeper' link on any page to see the full researcher version.

What is TNBC?

A plain-language overview of triple-negative breast cancer — what makes it different, who gets it, and why it matters.

Diagnosis basics

How TNBC is identified — biopsy, hormone-receptor and HER2 testing, imaging, and what the results mean.

Treatment options

Chemotherapy, immunotherapy, antibody-drug conjugates, and what each one tries to do — written for non-specialists.

Living with TNBC

Side-effect management, follow-up care, fertility considerations, and the emotional side of treatment.

Questions to ask your team

Decision-aid checklists for first appointments, treatment planning, and recurrence conversations.

Glossary

Plain-language definitions of every medical term used elsewhere on this site.