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Related to double aortic arch: vascular ring
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Vascular tracheo-bronchial compression may result from anomalies such as double aortic arch, anomalous left pulmonary artery or aberrant subclavian artery, among others.
The differential diagnosis included an aberrant right subclavian artery, and a double aortic arch was suspected.
Both types of vascular ring--the double aortic arch and the right aortic arch with an aberrant left subclavian artery--can have the same appearance on chest x-ray and barium esophagography.