article_snippet: Her lymphatic system is a filter network of tiny vessels which runs alongside the circulation and drains waste products from the blood .
article_snippet: Normally, fluid drains from the lymph channels into the lymph nodes.
article_snippet: the lymph nodes act like filter stations that process the waste - the fluid itself goes back through the body into the circulation.
article_snippet: However, if the lymphatic system is faulty - such as after cancer treatment - the fluid it would normally drain away accumulates in the tissue and the area swells up.
article_snippet: Normally, fluid drains from the lymph channels into the lymph nodes.
article_snippet: the lymph nodes act like filter stations that process the waste — lymph fluid goes back through the body into the circulation.
article_snippet: However, if the lymphatic system is faulty, the fluid the lymphatic system would normally drain away accumulates in the tissue and the area swells up.