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Professional Partnerships

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We’re proud to work together with our partner organizations to reduce the burden of cancer worldwide:

Brazilian Society of Clinical Oncology (SBOC)

SBOC is the national organization representing clinical oncologists in Brazil.

European Cancer Organisation (ECO)

The European Cancer Organisation is a not-for-profit European federation of member organizations dedicated to reducing the burden of cancer and improving both the outcomes and the quality of care for cancer patients.

European Oncology Nursing Society (EONS)

The European Oncology Nursing Society is a pan-European organization dedicated to the support and development of cancer nurses.

European Society for Medical Oncology (ESMO)

The European Society for Medical Oncology is the leading professional organization for medical oncology.

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International Cardio-Oncology Society (IC-OS)

The International Cardio-Oncology Society (IC-OS) advances cardiovascular care of cancer patients and survivors by promoting collaboration among researchers, educators and clinicians around the world.

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International Society of Geriatric Oncology (SIOG)

The International Society of Geriatric Oncology, commonly referred to by its French acronym SIOG (Société Internationale d’Oncologie Gériatrique), is an international multidisciplinary network of healthcare professionals treating older cancer patients.

International Society of Nurses in Cancer Care (ISNCC)

The International Society of Nurses in Cancer Care is an international membership organization of oncology nurse leaders dedicated to improving the health and well-being of people at risk for, or living with, cancer.

International Society of Oral Oncology (ISOO)

Established in 1984 as The Society for Clinical and Experimental Oral Oncology, ISOO has played a pivotal role as the sole international platform for healthcare professionals interested in multidisciplinary approaches to oral supportive care for cancer patients. Its mission is to promote scientific exchange among healthcare professionals in oncology with a focus on cytotoxic therapy and its impact on the oral environment.

Oncology Nursing Society (ONS)

The Oncology Nursing Society is a professional association committed to promoting excellence in oncology nursing and the transformation of cancer care. 

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Society for Integrative Oncology

The Society for Integrative Oncology (SIO) is the premier multi-disciplinary professional organization for integrative oncology.

If your organization is interested in partnering with MASCC, please contact for more information. 

If you belong to a national-level organization focusing on supportive care in cancer, your organization may be eligible to become a MASCC affiliate. Click here for more information.