Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs are obtained . Cardiomediastinal silhouette is unchanged compared to the prior study . Again , multiple bilateral calcified hilar nodes are seen . Lungs are relatively unchanged . Again , bilateral pleural effusions are noted which are not significantly different compared to the previous study . No pneumothorax is appreciated .
    OUTPUT:
    
No significant changes compared to the prior study .