e12062 Background: In Colombia BC constitutes, after cervix, the second most prevalent cancer location in women and is the first cause of death from cancer in women. There is no local data on the 5-year survival of BC patients in Colombia. It is necessary to define the prognostic factors that have an impact in survival. Methods: Open retrospective cohort study with survival analysis that includes the prognostic factors age, stage at diagnosis, tumor differentiation, metastasis at diagnosis (MaD), metastasis during study period, number of
