The National Institute of Oncology is the organisational, cancer prevention, treatment and scientific coordinating centre for Hungarian oncology, the only comprehensive cancer centre of the country. The Institute is member of the Organisation of European Cancer Institutes (OECI) and is part of a good number of international organisations (WHO, UICC, OECI, EACR, EORTC). The Breast Unit provides the oncoplastic surgical care of 12% of all newly diagnosed primary breast cancers in the country, it controls and takes part in the national population breast screening programme, performs the radiotherapy of a much larger population of 4.5 million inhabitants and controls and performs the medical oncological breast care of the central region of the country. The multidisciplinary care has the merit of the highly educated breast specialists of different scientific fields (with academic degrees and UEMS qualifications) operating according to the Breast Unit criteria of EUSOMA. The Unit participates in several national and international clinical trials and prospective studies. Furthermore, there are several colleagues for rehabilitation and psycho-oncological and social care.