Fig. 4From: Independent prognostic impact of preoperative serum carcinoembryonic antigen and cancer antigen 15-3 levels for early breast cancer subtypesDisease-free survival of patients with high and low CA15-3 levels in ER-positive (a), ER-negative (b), HER2-positive, (c) and HER2-negative (d) breast cancersBack to article page