Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded . Faint linear densities at the left lung base likely reflect atelectasis or scarring adjacent to a moderate hiatal hernia . No focal consolidation . No pleural abnormalities . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Moderate hiatal hernia again noted .