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The Canadian Cancer Society’s Glossary has been developed to help you understand cancer-related words and phrases related to cancer. This resource supports information provided by the Canadian Cancer Society on cancer.ca.


The Glossary is available in English or French, and each definition can be printed.


If you can’t find the word you are looking for, please call an Information Specialist toll-free at 1 888 939-3333.


The Canadian Cancer Society only provides information that is general in nature and cannot guarantee that it is error-free or complete. The Canadian Cancer Society is not responsible for the quality of the information or services provided by another organization, nor does it endorse any service, product, treatment or therapy. A qualified healthcare professional should be consulted before making a medical decision.


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