nTOS

・ Cervicalrib

・ Anomaliestransverseprocess of C7

・ Enlarged scalene tubercole

・ Scalene musclehypertrophy

・ Supernumerarymuscle

・ Work or sportshabits

・ Pulmonarydisease

VTOS venous

・ Paget-Schroettersyndrome

・ McCleerysyndrome

・ Coagulopathies

・ Foreignbodies

VTOS arterial

・ Osseousabnormality

・ Muscularabnormality

・ Work or sportshabits