What would be the best approach to treat a deformed or uneven in size left ribcage that is obstructing the normal function of the neck and shoulder and hurts similar to a heart attack in the left chest and behind the shoulder blade, 1st to 3rd rib?

It is not feasible to provide a meaningful opinion without additional history, physical examination and may be some tests. It would be prudent to see a doctor. Start with your primary care provider for an initial assessment and to ascertain if a specialist consultation may be needed. Wish you good health!

Physical therapy and a pulmonary evaluation including lung function testing is recommended. There are no.n surgical therapies which may help to relieve pain. A virtual consult with Healthtap is available. Unless contraindications, a flu vaccine and COVID-19 should be discussed with your physician.