Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . Streaky opacity suggests atelectasis associated with a mild to moderate hiatal hernia , but otherwise the lung fields appear clear . Moderate anterior osteophytes are again present along several lower thoracic levels .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Mild to moderate hiatal hernia .