Source:http://linkedlifedata.com/resource/umls/id/C0549483
NCI: An enclosed collection of pus in tissues, organs, or confined spaces in the body. An abscess is a sign of infection and is usually swollen and inflamed.,NCI: An inflammatory process characterized by the accumulation of pus within a newly formed tissue cavity which is the result of a bacterial, fungal, or parasitic infection or the presence of a foreign body.