Aberrant right subclavian artery.
D000792:Angiography; D003937:Diagnosis, Differential; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D013902:Radiography, Thoracic; D013348:Subclavian Artery / Q000002:abnormalities* / Q000033:anatomy & histology / Q000000981:diagnostic imaging*