Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable , and unchanged . Again seen are bibasilar opacities , mildly improved on the right since the most recent examination , concerning for aspiration . There are persistent pleural effusions . No pneumothorax identified . There is compression fracture of the mid thoracic spine .
    OUTPUT:
    
Slightly improved right basilar opacity .