<prompt> Which is not true about thoracic outlet syndrome?Radial nerve is commonly affectedNeurological features are most commonResection of 1st rib relieves symptomPositive Adsons test  <response>: Thoracic outlet syndrome: Name is a misnomer - should be Thoracic Inlet Syndrome Any tumortrauma that compresses the subclan vessels and brachial plexus MC root involved in brachial Plexus compression : C8,T1;Ulnar nerve - Neurological feature - Conservative Management Surgical Intervention is done if vascular symptoms of compression present. Cervical Rib 1st Rib is resected to relieve Thoracic Outlet Syndrome. No predisposing factors but common in middle aged women with atrophy of shoulder girdle muscles - diagnostic provocative tests: Adsons Test Costoclavicular test Hyper-Abduction Test Roos Test 