Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable frontal chest radiograph was obtained . A right side Port - A - Cath terminates in the lower SVC . Lung volumes are low . There are persistent bilateral pleural effusions with compressive atelectasis . The cardiomediastinal silhouette and hilar contours are stable . There is no pneumothorax .
    OUTPUT:
    
Persistent bilateral pleural effusions with bibasilar compressive atelectasis . No acute change compared to prior study .