Breast cancer is a public health problem in Mexico and the world, being the first cause of cancer death in women. Even though scientific advances have allowed the identification of several risk factors, the use of screening and detection techniques, as well as the therapeutic approach, since breast cancer is a heterogeneous entity, it is necessary to carry out studies that increase the knowledge about its epidemiological, clinical, histopathological and molecular characteristics that allow improving the strategies of prevention, diagnosis, treatment and reduction of complications in order to improve the quality of life and the survival of patients.