The Mastology Service of the Oswaldo Cruz University Hospital is linked to the discipline of the Mastology of Faculty of Medical Sciences of Pernambuco and the Hospital Complex of the University of Pernambuco, and it is a service of reference in diagnosis and treatment of breast pathologies in the state of Pernambuco. In addition to a qualified clinical, surgical and multidisciplinary staff, it offers Radiotherapy, Radiology, in addition to current oncoplastic techiques as well as palliative care. As a teaching hospital, it became a field for training and development of knowledge, internship and research at the Faculties of Medical Sciences, Faculty of Nursing Nossa Senhora das Graças, Institute of Biological Sciences – ICB.