Decompression, Surgical/methods; Nerve Compression Syndromes/surgery; Orthopedic Procedures; Pectoralis Muscles/surgery; Thoracic Outlet Syndrome/surgery; Adolescent; Adult; Aged; Colorado; Decompression, Surgical/adverse effects; Diagnosis, Differential; Disability Evaluation; Electromyography; Employment; Female; Headache/etiology; Humans; Male; Middle Aged; Nerve Block; Nerve Compression Syndromes/complications; Nerve Compression Syndromes/diagnosis; Nerve Compression Syndromes/physiopathology; Orthopedic Procedures/adverse effects; Pain/etiology; Paresthesia/etiology; Pectoralis Muscles/innervation; Physical Examination; Recurrence; Thoracic Outlet Syndrome/complications; Thoracic Outlet Syndrome/diagnosis; Thoracic Outlet Syndrome/physiopathology; Time Factors; Treatment Outcome; Young Adult