Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear of consolidation , effusion , or edema . Cardiomediastinal silhouette is stable , prominent size likely due to prominent mediastinal fat as seen on prior CT . No acute osseous abnormalities identified .
    OUTPUT:
    
Hyperinflation without acute cardiopulmonary process .