Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded . There are areas of chronic atelectasis or scarring in the right mid lung . There is no new focal airspace opacity to suggest pneumonia . The heart is top normal . The mediastinum is somewhat wide but unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality . The heart size is top normal , unchanged .