Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is within normal limits . Opacity in the right midlung is consistent with pleural plaques seen on the prior chest CT . A known , suspicious pulmonary nodule is not definitively seen . A VP shunt is noted . No pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Please review chest CT obtained the same day later for pre size details .