Ache in upper right chest, as well as up right side of neck and down right arm ending before elbow. Hurt more with breathing.
Muscle strain. Excessive strain of pectoralis major or minor muscles could cause these symptoms. Did you do some heavy lifting or pulling? Use heat & rest, & if symptoms worsen or continue see osteopath for diagnosis & physical therapist for treatment. You didn't reference a cough or shortness of breath. These would be symptoms of more serious problems. Absent neck pain, a pinched neck nerve is remote.
Tingly feeling on left side of neck down to chest &left arm feels weaker. However right arm is always colder than left. Is it Vascular thoracic outlet?
Odd symptoms. You need a detailed history and physical examination to make headway . Read more...