Source:http://linkedlifedata.com/resource/umls/id/C0227188
UWDA: Zone of esophagus located in the thorax.,FMA: Zone of esophagus located in the thorax.,NCI: Clinical esophageal segment composed of smooth muscle. It includes the middle third topographic segment, as well as parts of the upper and lower thirds. (NCI),NCI: Clinical esophageal segment composed of smooth muscle. It includes the middle third topographic segment, as well as parts of the upper and lower thirds.