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Table 4 Variation patterns of CTC phenotype in HR-positive and HR-negative groups

From: The prognostic and therapeutic implications of circulating tumor cell phenotype detection based on epithelial–mesenchymal transition markers in the first-line chemotherapy of HER2-negative metastatic breast cancer

Increased index HR-positive HR-negative χ 2 P
Total CTC count 2 3 6.619 0.037
The proportion of EMT-CTCs 7 0
Both 10 2
  1. HR hormone receptor, CTC circulating tumor cell, EMT epithelial–mesenchymal transition