Cellulitis: An infection of the soft tissues of the skin.

Congenital: Present from birth, but not necessary inherited.

Edema: Swelling caused by the collection of fluid in the bodys soft tissues.

Lymph: A natural body fluid.

Lymphedema: A chronic disorder in which lymph, a natural body fluid, fails to circulate properly and, as a result accumulates in the tissues of a limb or other part of the body.