Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperinflated and clear . No pleural effusions or pneumothorax . Cardiomediastinal silhouette is normal . Left upper chest wall pacemaker and pacer wires along with sternotomy sutures are intact . There is diffuse mild demineralization and multilevel degenerative changes of the thoracic spine .
    OUTPUT:
    
Findings compatible with mild emphysema with no acute cardiopulmonary process .