Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . There is no pulmonary edema . Lungs are hyperinflated with attenuation of pulmonary vascular markings towards the apices suggestive of underlying emphysema . Linear opacities in the right mid and lower lung fields likely reflect areas of scarring . Calcified granuloma is seen within the left upper lobe . No focal consolidation , pleural effusion or pneumothorax is identified . Moderate degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Probable emphysema .