Table 1 Definitions of intrinsic subtypes of breast cancer.
From: Biomarker dynamics and prognosis in breast cancer after neoadjuvant chemotherapy
Intrinsic subtype | Definition |
|---|---|
Luminal A | Strongly ER and/or PR positive HER2 negative Ki-67 low |
Luminal B (HER2 negative) | Variable degrees of ER and/or PR positive HER2 negative Ki-67 high |
Luminal B (HER2 positive or enriched) | ER and/or PR positive HER2 positive Any Ki-67 |
HER2+ | ER und PR absent HER2 positive |
Triple negative | ER und PR absent HER2 negative |
