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The European School of Oncology is a proud member of the European Cancer Organisation in Europe and of UICC internationally:

European Cancer Organisation

The European Cancer Organisation aims to reduce the burden of cancer, improve outcomes and the quality of care for cancer patients, through multidisciplinarity and multiprofessionalism.
As the not-for-profit federation of member organisations working in cancer at a European level, the European Cancer Organisation convenes oncology professionals and patients to agree policy, advocate for positive change and speak up for the European cancer community.


Union for International Cancer Control (UICC)

The Union for International Cancer Control (UICC) unites and supports the cancer community to reduce the global cancer burden, to promote greater equity, and to ensure that cancer control continues to be a priority in the world health and development agenda.  



ESO partners with the following organisations in some of its educational activities:


European Oncology Nursing Society (EONS)

The European Oncology Nursing Society (EONS) is a pan-European membership organisation for cancer nurses with a current membership of almost 28,000 cancer nurses from all over Europe, the largest group of healthcare workers in the oncology workforce.
EONS provides leadership in all areas of cancer nursing: research, practice, continuing education, communications and advocacy for better recognition of cancer nursing across Europe.


International Society of Paediatric Oncology - Europe (SIOPE)

The European Society for Paediatric Oncology (SIOP Europe or SIOPE) is the only pan-European organisation representing all professionals working in the field of childhood cancers. With more than 2000 members across 36 European countries, SIOPE is leading the way to ensure the best possible care and outcomes for all children and adolescents with cancer in Europe.

Rare Cancers Europe (RCE)

Rare Cancers Europe (RCE) has been established as a partnership of cooperating organisations that work together to place the issue of rare cancers firmly on the European policy agenda, to identify and promote appropriate solutions and to exchange best practice.

International Society for Geriatric Oncology (SIOG)

The International Society of Geriatric Oncology, also called SIOG (Société Internationale d’Oncologie Gériatrique), is a multidisciplinary membership-based society with members engaged in more than 80 countries around the world. The goal of SIOG is to strenghten the capacity of health professionals in the field of geriatric oncology, in order to optimise treatment of older adults with cancer. 

European Society of Gynaecological Oncology (ESGO)

The European Society of Gynaecological Oncology (ESGO) is a growing not-for profit organisation and forum of more than 3,400 professionals from across Europe and all around the world, dedicated to promoting the highest quality of care for women with gynaecological cancers.

European Society of Surgical Oncology (ESSO)

ESSO’s supports its members in advancing the science and practice of surgical oncology for the benefit of cancer patients. The Society aims to achieve this through a range of activities related to education, research and leadership in multidisciplinary care.

European Society for Radiotherapy and Oncology (ESTRO)

ESTRO fosters radiotherapy in all its aspects by setting standards in education and practice, facilitating research, stimulating exchange of scientific knowledge and promoting collaboration in radiotherapy in Europe and beyond as well as with other professions involved in cancer treatment.