Table 2.

CTCs detection at different stages of breast cancer

Samples	Total number	Flow cytometry	Immunomagnetic flow cytometry
		CK19+ (%)	EpCAM/CK7, CK8, CK18, CK19 (Pan marker)+(%)
Healthy control	35	0	0
Stage I	5	0	0
Stage II	22	12 (54.5)	6 (27.2)
Stage III	6	5 (83.3)	6 (100)
Stage IV	2	2 (100)	2 (100)
Total patients	35	20 (57.14)	14 (40)