Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded and demonstrate bilateral upper lobe lucency , compatible with emphysema . There is no lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is unchanged in appearance . A minimally displaced sternal fracture is again seen on the lateral film , unchanged from the prior examination .
    OUTPUT:
    
Hyperinflated lungs without focal consolidation .