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Table 3 Concordance between serum HER2 status and HER2 status of CTCs

From: Determination of HER2 status using both serum HER2 levels and circulating tumor cells in patients with recurrent breast cancer whose primary tumor was HER2 negative or of unknown HER2 status

 

CTC HER2 negative

CTC HER2 positive

Total

Serum HER2 positive

3

5

8

Serum HER2 negative

10

3

13

Total

13

8

21a

  1. aConcordance is 71%. CTC, circulating tumor cell; HER, human epidermal growth factor receptor.
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Breast Cancer Research

ISSN: 1465-542X

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