Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is normal . The lungs are clear without consolidation or pleural effusions . There is stable hyperinflation and subtle lucency of the upper lobes consistent with underlying emphysema . There is a stable benign - appearing osseous lesion within the left humerus , likely an enchondroma .
    OUTPUT:
    
Emphysema . No acute pneumonia . Results were communicated with Dr . ___ at 3 :20 p .m . on ___ via telephone by Dr . ___ .