Compression of the oesophagus by the aorta.
D000367:Age Factors; D000368:Aged; D001011:Aorta; D009202:Cardiomyopathies / Q000150:complications; D003680:Deglutition Disorders / Q000209:etiology*; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007738:Kyphosis / Q000150:complications; D008875:Middle Aged; D011312:Pressure; D011859:Radiography; D012737:Sex Factors