BioMed Central, BMC Cancer, 1(14), 2014
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Abstract Background To prospectively assess circulating tumor cell (CTC) status at baseline (CTC BL ) and after one cycle of a new line of systemic therapy (CTC 1C ), and changes from CTC BL to CTC 1C (CTC kinetics, CTC KIN ) for their utility in predicting response, progression-free (PFS) and overall survival (OS) in metastatic breast cancer (MBC). Methods CTC BL and CTC 1C status was determined as negative (-) or positive (+) for