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