Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been significant interval improvement in pulmonary edema , which is nearly entirely resolved . Azygous venous distention remains . Bibasilar opacity remains , likely reflecting atelectasis . There is no pneumothorax . There are probably small bilateral pleural effusions . The cardiac silhouette remains mildly enlarged , the mediastinal contours are accentuated by portable technique .
    OUTPUT:
    
Marked interval improvement in pulmonary edema , residual mild cardiac enlargement . There is bibasilar atelectasis , with probable small bilateral pleural effusions .