Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy with multiple mediastinal surgical clips suggesting prior CABG surgery . The lungs are hyperinflated with flattened hemidiaphragms consistent with COPD / emphysema . Ill - defined opacities projecting over the right upper to mid lung are new from ___ . Trace pleural fluid is noted in the left posterior sulcus on the lateral view . No pneumothorax is seen . The pulmonary vasculature is not engorged , and there is no overt pulmonary edema . The cardiomediastinal and hilar contours are within normal limits . There is moderate tortuosity of the thoracic aorta .
    OUTPUT:
    
New ill - defined opacities in the right upper to mid lung compatible with infection . A followup chest radiograph is recommended in ___ weeks after an appropriate course of therapy to confirm resolution .