Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There may be trace pleural effusions . The cardiac silhouette is moderately enlarged . There is slight increase in interstitial markings bilaterally suggesting mild interstitial edema . No pneumothorax is seen .
    OUTPUT:
    
The cardiac silhouette has substantially increased in size since the prior study . Mildly increased interstitial markings bilaterally suggests mild interstitial edema .