Secondary lymphoedema is a condition whereby the legs swell as a result of damage to the Lymph system from previous surgery. When patients undergo surgery that involves the removal of tissues, Lymph nodes can be damaged or removed inadvertently. This can occur especially in operations dealing with the removal of cancers.
When any lymph nodes are removed, the ability of the lymphatic system to drain excess fluids that accumulate in the tissues can be hindered. When this happens the excess fluids accumulate in the tissues and limbs, leading to a swelling of these areas
Read more about: Secondary Lymphoedema and Venous Oedema (4 page PDF)