Aberrant right subclavian artery. Findings seen on plain chest roentgenograms.
D000328:Adult; D000368:Aged; D001027:Aortography; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D013348:Subclavian Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging