 [ Symptoms ] i had a spontaneous pneumothorax and i ended up getting a chest tube on the left lung [ Disease ] it would not hurt to have your doctor take another look at you to make sure that there is not another infection going on is your pain worse with breathing a condition that can make for sharp stabbing pain with breathing is pleurisy an inflammation of the lining around your lungs this can happen because of a prior infection i think you need to do a recent xray knowing that it takes about 10months to heal after treatment from pneumonia