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Table 2 Expression profile of circulating tumor cells in breast cancer patients compared with the primary tumor

From: Detection and characterization of circulating tumor cells in blood of primary breast cancer patients by RT-PCR and comparison to status of bone marrow disseminated cells

   Circulating tumor cells Primary tumor (n = 58) Concordance (%)
  n n % n %  
ER-positive 48 12 25 45 78 29
PR-positive 48 2 2 41 71 25
HER2-positive 58 22 38 9 16 53
Muc-1-positive 58 31 53 - - -
GA 73.3-positive 58 32 55 - - -
  1. ER, estrogen receptor; HER2, human epidermal growth factor receptor 2; PR, progesterone receptor.