Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable . Again noted are bibasilar opacities , slightly progressed since the most recent examination , though improved since ___ . Again noted is an endotracheal tube in adequate position . There is minimal pulmonary vascular congestion , not significantly changed since prior .
    OUTPUT:
    
Persistent bibasilar opacities , concerning for aspiration , not significantly changed since priors .