Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are unchanged . Lungs are clear . There is no pleural effusion or pneumothorax . Multiple surgical clips project over the left anterior chest and are unchanged . Cholecystectomy clips project over the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary abnormality .