Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar opacities demonstrated on the next most recent chest radiograph are no longer appreciated . The lungs are well expanded and clear . The cardiomediastinal silhouette , hilar contours , pleural surfaces are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .