Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . Streaky opacity at the right lung base is consistent with minor atelectasis . There is otherwise no focal opacity . The chest is hyperinflated . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .