Carcinoma of the breast is, with 26.7% of all malignancies, the most commonly diagnosed tumour in women, every eighth female Austrian suffers from this disease. Similar figures are reported from other European countries. Following recommendations of scientific societies like the European School of Mastology (ESOMA) or the British Breast Group, breast diseases should be treated by interdisciplinary teams in dedicated breast centers. Many such institutions exist in Austria and international, but only few of them are organized optimally and fulfill the requirements of an internationally accredited breast cancer centre.