Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded . Mild scarring at the lung apices is re - demonstrated . Known small pulmonary nodules in the right lung are not well appreciated on this study and are better seen on prior chest CT . The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality .