Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded . Irregular interstitial markings are seen suggestive of fibrotic changes . There is no visualized consolidation or effusion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are noted at the aortic arch . No acute osseous abnormalities . Old healed right lateral rib fracture is noted .
    OUTPUT:
    
Hyperinflation with findings suggestive of COPD . No definite superimposed acute cardiopulmonary process .