CTC monitoring during adjuvant therapy and in follow up period in a breast cancer patient. CTC positivity: CTC+, AC: doxorubicin + cyclophosphamide, D: docetaxel, SLNB: sentinel lymphatic node biopsy, dg: diagnosis, TNBC: triple negative breast cancer, G: grade, markers of stem cells: CD44/CD24, ALDH (aldehyddehydrogenase), VIM (vimentin), markers of epithelial cells: KRT18/19 (keratins), HER2: human epidermal growth factor receptor, ESR1: oestrogen receptor gene, MUC1 (mucin), MGB: mammaglobin B, markers of chemoresistance: see Table 2.