An incorrect legend for the Graph 4 was published in „Svoboda M, Navrátil J, Fabian P et al. Triple-Negative Breast Cancer: Analysis of Patients Diagnosed and/or Treated at the Masaryk Memorial Cancer Institute between 2004 and 2009“, Klin Onkol 2012; 25(3). We apologize to all the authors and enclose the corrected version of the Graph 4.