Fig. 2From: Non-aneurysmal aberrant right subclavian artery causing dysphagia in a young girl: challenges encountered using supraclavicular approacha Four branches arises from the aortic arch. Aberrant right subclavian artery(ARSA) marked by astrex. b ARSA arises distal to left subclavian artery. c Obstruction of the oesophagus posteriorly by ARSABack to article page