Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates persistent bilateral pleural effusions and bilateral lower lung atelectasis with , unchanged since the prior radiograph . The cardiomediastinal silhouette is unchanged , and the right subclavian line remains in standard position .
    OUTPUT:
    
Persistent bilateral pleural effusions and bilateral lower lung atelectasis . Unchanged since the prior study .