<prompt> All are seen in Thoracic outlet syndrome except -Mass in the NeckWasting of forearm musclesAdsons test positivePallor  <response>: Muscles of hand are wasted, not the forearm muscles. Ulnar nerve C8-T1 involvement is most common. It is associated with: Motor weakness and atrophy of the hypothenar and interosseous muscles Pain and paresthesia along the medial aspect of the arm, hand, 5th finger and medial aspect of 4th finger. 