Molecular subtypes
ER
PR
HER-2
Ki-67
Luminal A
+
+
-
<14%
Luminal B (1)
Luminal B (2)
+
+
+
+
+
-
≥ 14%
HER-2 positive
-
-
+
Triple negative
-
-
-
Table 3:
Criteria used to define molecular subtypes of breast cancer.
