NCIt definition : Excess fluid collection in tissues, causing swelling. It is the result of obstruction
of lymphatic vessels or lymph nodes.;
Alternative definition : CTCAE: A disorder characterized by excessive fluid collection in tissues that causes
swelling.; NCI-GLOSS: A condition in which extra lymph fluid builds up in tissues and causes
swelling. It may occur in an arm or leg if lymph vessels are blocked, damaged, or
removed by surgery.;