Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . The lungs are overinflated with splaying of interstitial markings and flattened hemidiaphragms , consistent with emphysema . There is no new focal consolidation concerning for pneumonia . Pulmonary vasculature is within normal limits . Healed rib fractures of right posterolateral ribs 5 through 7 are noted . The upper abdomen is unremarkable .
    OUTPUT:
    
No focal consolidation concerning for pneumonia . Emphysematous changes re-demonstrated .