Kindly comment on the x-ray of chest. A patient of 35-year weaver chronic alcoholic smoker, non-diabetic with h/o fever with chills loss of weight for one month. Investigation CBC normal. mx negative ESR 60/hr sputum AFB 3 days negative, other tests for fever are nothing contributory.

His observed temperature for the 1st day was 100 and for remaining week it was afebrile. What treatment should be given for COPD with PUO? Kindly give your suggestions.