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Lymphoedema

Secondary lymphoedema can develop months or years after cancer treatment when lymph nodes are removed or damaged, causing fluid to build up in certain body parts.

There are two types of lymphoedema

Primary lymphoedema is a rare inherited condition in which lymph nodes and lymph vessels are absent or abnormal. This type of lymphoedema is not related to cancer treatment.

Secondary lymphoedema can occur after treatment for cancer, when lymph nodes are removed during surgery or damaged by radiotherapy. This can stop the lymph from flowing freely through the lymphatic system and can cause fluid to build up in some parts of the body. Sometimes, cancer itself can cause lymphoedema, if the tumour presses against or blocks the lymphatic system.

Lymphoedema usually develops gradually and can develop months, or even years, after your cancer treatment.

Find out more

Last updated 6 February 2025
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