EUSOMA, the European Society of Breast Cancer Specialists, is an organisation dedicated to improving breast cancer care in Europe and worldwide. It promotes high-quality, consistent standards for specialist breast centres and provides guidance for professionals involved in breast cancer diagnosis, treatment and follow-up. Its recommendations cover breast centre requirements, quality indicators, management of B3 lesions, data management and multidisciplinary team practice.

EUSOMA supports breast care services through its Breast Centres Network, Data Centre and certification process, offering information about the standards and procedures involved. The organisation also shares clinical guidance, articles and news, and highlights European initiatives and collaborations focused on cancer care. Its resources include European Gold Standards in Breast Cancer Care and guidelines developed with partner organisations on breast lesions of uncertain malignant potential.

For professional development and engagement, EUSOMA offers webinars, courses, conferences and meetings, alongside membership options and access to a members area. The European Journal of Cancer is identified as its official journal.