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Table 4 Receptor expression profile of primary breast cancers including estrogen receptor (ER), progesterone receptor (PR) status, HER2/neu status, and Ki67 proliferation index

From: PET imaging of chemokine receptor CXCR4 in patients with primary and recurrent breast carcinoma

Patient #

ER (%)

PR (%)

HER2

KI67 (%)

Subtype

1

100

80

25

Luminal B HER2−

2

100

20

20

Luminal A

3

95

95

20

Luminal A

4

50

20

25

Luminal B HER2−

5

50

50

20

Luminal A

6

0

0

15

Basal like

7

95

50

15

Luminal A

8

100

30

30

Luminal B HER2−

9

85

85

+

20

Luminal B HER2+

10

95

95

10

Luminal A

11

1

0

50

Basal like

12

95

70

25

Luminal B HER2−

13

60

50

40

Luminal B HER2−

  1. The molecular subtypes have been defined based on “surrogate markers”