Breast cancer subtypes

Er and Pr

Her-2

Ki67

Luminal a

Er+ and/or pr+

Her-2−

Ki67 < 14%

Luminal b with her-2 negative

Er+ and/or pr+

Her-2−

Ki-67 ≥ 14%

Luminal b with her-2 positive

Er+ and/or pr+

Her-2+

Any ki-67

Her-2 enriched

Er−, pr−

Her-2+

Any ki-67

Basal-like (triple-negative)

Er−, pr−

Her-2−

Ck5/6+ and/or EGFR+