Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette persists . Mediastinal and hilar contours are unchanged . There continues to be mild pulmonary vascular congestion , perhaps slightly worse in the interval . Patchy opacities in the lung bases are increased compared to the prior study , with small bilateral pleural effusions , also increased from prior . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Slight interval worsening of mild pulmonary vascular congestion with increased size of small bilateral pleural effusions and worsening bibasilar opacities , possibly atelectasis , but infection can not be excluded .