Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are unremarkable without evidence of pneumomediastinum . Minimal atherosclerotic calcifications are noted at the aortic knob . Lungs are hyperinflated . No focal consolidation , pleural effusion or pneumothorax is present . Fusion hardware within the lumbar spine is partially imaged . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Hyperinflated lungs suggestive of COPD .