label: Anomalous origin of the right subclavian artery from the descending aorta
label_lc: anomalous origin of the right subclavian artery from the descending aorta
description: "Abnormal origin of the right subclavian artery from the descending aorta. The right subclavian artery normally arises from the brachiocephalic trunk, which divides into the right common carotid artery and right subclavian artery."