Source:http://linkedlifedata.com/resource/umls/id/C0014873
MSH: Endoscopic examination, therapy or surgery of the esophagus.,NCI: Examination of the esophagus using an esophagoscope. An esophagoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease.,NCI: Endoscopic examination of the esophagus.