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Macmillan and Cancerbackup merged in 2008. Together we provide free, high quality information for people affected by cancer through our publications, website and phone service. Find out more|.
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Lymphoedema is swelling that develops because of a build-up of a fluid called lymph in the body's tissues.
Lymphoedema usually affects an arm or leg, but can sometimes also affect other parts of the body. It can develop if lymph nodes (sometimes called glands) have been removed by surgery|, damaged by radiotherapy|, or if a cancer is blocking them.
Lymph nodes are part of the lymphatic system| - a part of the body’s immune system which helps us fight infection and other illnesses. If lymph nodes or vessels become blocked, the lymph fluid is unable to pass through them. Because the extra tissue fluid can’t drain away normally, it builds up and causes swelling (oedema).
Lymphoedema can be reduced and the swelling can often be kept to a minimum, particularly when it’s diagnosed| early.
But it’s a condition that never goes away because the causes| can’t be reversed. Learning how to manage it yourself is a major part of treatment.
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