Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Persisting perihilar and bibasilar opacities are again present , slightly decreased on the right and increased in the left lower lung zone . There may be minimal interval decrease in extent of the pulmonary edema . Small bilateral pleural effusions are suspected . No pneumothorax identified . The size the cardiomediastinal silhouette is enlarged but unchanged .
    OUTPUT:
    
Persisting perihilar and bibasilar opacities , mildly decreased on the right and increased on the left . Mild decrease in the extent of the pulmonary edema .