The principal goal of this study is to describe the epidemiology of breast cancer in the Brazilian population. Other specific goals are:~To evaluate the demographic and socio-demographic profile, comorbidities and reproductive risks, anthropometric profile and family history.~Characterize the breast tumors immunophenotype through anatomopathological data, such as: tumor grade, estrogen receptor, progesterone receptor, HER2, Ki67.~Describe the screening tests, main symptoms and cancer stage in the moment of the diagnosis.~Describe the initial cancer treatment and locally advanced such as surgery, radiotherapy, chemotherapy and endocrine therapy.~Describe palliative treatment for recurrent or metastatic breast cancer: chemotherapy, radiotherapy, biphosphonate, and others.~Evaluate the clinical outcomes such as: local or diffuse relapse, period of time until progression to metastatic cancer, global lifespan and specific breast cancer lifespan.~Evaluate clinical complications of the metastatic disease, such as: brain metastasis, spinal cord compression, skeletal related events.~Analyze the demographical and socio-economical characteristics, clinical-pathological characteristics of the tumor, treatment, clinical outcomes, type of institution (private/public), and other factors that may impact clinical outcome.
The principal goal of this study is to describe the epidemiology of breast cancer in the Brazilian population