Shoulder swelling and pain attached to the chest may have several causes: i) frozen shoulder; ii) rotator cuff injury; iii) cervical spondylosis; iv) myofasciitis of the thoracic back. Frozen shoulder is characterized by limited shoulder lifting and abduction, and rotator cuff injury is characterized by a pain arc during passive lifting. Cervical spondylosis is characterized by radiating pain from the neck and shoulder items and upper arm, and thoracic back fasciitis is characterized by diffuse pain in the thoracic back plus shoulder. How to identify, can do cervical spine X-ray or cervical spine MRI can identify whether it is caused by cervical spondylosis.