thoracic outlet syndrome arterial thoracic outlet syndrome https://www.malacards.org/card/arterial_thoracic_outlet_syndrome arterial hyperabduction syndrome arterial thoracic outlet compression syndrome Arterial thoracic outlet syndrome (ATOS) is a form of thoracic outlet syndrome (TOS) that presents as unilateral upper extremity ischemia. MONDO:0018164 UMLS:C1956395 Orphanet:357107 arterial costoclavicular syndrome MEDGEN:365116 ATOS arterial TOS SCTID:8051000119105 GARD:0021535 arterial scalenus anticus syndrome arterial cervical rib syndrome