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Table 1 Substitutional definition of intrinsic subtype

From: Magnetic resonance imaging features of breast cancer according to intrinsic subtypes: correlations with neoadjuvant chemotherapy effects

Intrinsic subtype

ER

PgR

HER2

Ki-67

Luminal A

+

+/-

-

<14%

Luminal B

+

+/-

-

14%

Luminal-HER2

+

+/-

+

any

HER2

-

-

+

any

Triple-negative

-

-

-

any

  1. ER estrogen receptor, PgR progesterone receptor, HER2 human epidermal growth factor receptor 2.