A 45-year-old man complaining of chest and back pain due to acute aortic dissection was referred to our department. A contrast enhanced computed tomography( CT) scan showed Stanford type B aortic dissection with Kommerell diverticulum and aberrant right subclavian artery. The patient underwent antihypertensive treatment for one month. Despite the successful treatment, CT scan revealed a 5 mm false lumen dilatation in this period. We decided to close the primary entry. The operation was performed through median sternotomy;after establishing cardio-pulmonary bypass, the ostium of the aberrant right subclavian artery( ARSA) was sutured closed and anastomosed the ARSA and right common carotid artery. Total arch replacement was performed using frozen elephant trunk technique. His postoperative course was uneventful.
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