Source:http://linkedlifedata.com/resource/umls/id/C1527391
UWDA: Subdivision of thorax, which is the anterolateral part of the thorax and is demarcated from the back of the thorax by the external surface of the posterolateral part of the rib cage, the anterior surface of the thoracic vertebral column and the posterior axillary lines; together with the back of the thorax, it constitutes the thorax. Examples: There is only one chest.