The cooperative society's primary purpose is to defend the economic interests of its members by: operating a multidisciplinary center in the field of breast disease treatment; bringing together and grouping specialized physicians in breast disease care to apply standardized and optimized diagnostic and therapeutic methods in order to offer a high-quality multidisciplinary service; associating other healthcare professionals to provide comprehensive care and optimal support to patients and their families; organizing pre- and post-therapeutic multidisciplinary conferences to define treatment in a consensual manner; and implementing quality control mechanisms.