Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated , with flattening of the diaphragms . Biapical pleural thickening / scarring is grossly stable . No focal consolidation is seen . Stable left base scarring is noted . No pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process .