I have had a consistent pain in the middle of my back on the left side right under the ribs. i have had it for over a month it comes and goes.. ?

Upper back pain: Recurrent discomfort in this region may emanate from the rib cage,kidney, lung or be caused by an intervertebral disc pressing on a nerve root. Osteoporosis of the spine seems less likely Your physician will take a thorough history of your symptoms, perform a careful examination and order appropriate tests in order to make a diagnosis. Referral to a specialist may then be recommended.