Table 1 Overall receptor conversion rates in metastatic breast cancer.

From: Receptor conversion in metastatic breast cancer: analysis of 390 cases from a single institution

Receptor (n)

Discordant

Concordant

Conversion rate

Positive/negative

Negative/positive

Positive/positive

Negative/negative

ER (387)

61

10

234

82

18.3%

PR (345)

107

32

107

99

40.3%

HER2 (321)

25

19

62

215

13.7%