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Table 3 Serum oncogene/tumour marker over-expression

From: Serum epidermal growth factor receptor and HER2 expression in primary and metastatic breast cancer patients

Status at metastasis NME EGFR HER2 EGFR or HER2 CA15.3 CEA CA15.3 or CEA EGFR or HER2, or CA15.3 or CEA
Number (out of 50) 11 9 29 32 26 11 26 39
% 22 18 58 64 52 22 52 78
  1. CA, cancer antigen; CEA, carcinoembryonic antigen; EGFR, epidermal growth factor receptor; HER, human epidermal growth factor receptor; NME, no marker elevation.