title: An unusual cause of thoracic inlet obstruction.
mesh_terms: D000368:Aged; D000402:Airway Obstruction / Q000209:etiology*; D004108:Dilatation, Pathologic / Q000209:etiology; D004931:Esophageal Achalasia / Q000150:complications*; D004935:Esophageal Diseases / Q000209:etiology; D005260:Female; D006801:Humans; D014135:Tracheal Stenosis / Q000209:etiology*