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 . Lungs are hyperexpanded with flattened hemidiaphragms and widened retrosternal air space , as well as paucity of pulmonary markings in the upper lungs . There is no new focal consolidation concerning for pneumonia . There is been resolution of previous atelectasis at the right lung base . Healed rib fractures of right posterior ribs ___ are again noted .
    OUTPUT:
    
No acute cardiopulmonary process . Emphysema .