Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal upright view of the chest was obtained portably . Bilateral pleural effusions are moderate on the right and small on the left . The right pleural effusion and adjacent atelectasis are unchanged , while the left pleural effusion has improved with improved aeration of the left lung . The upper lung zones are clear . The cardiac and mediastinal silhouettes are stable . No pneumothorax .
    OUTPUT:
    
Bilateral pleural effusions , unchanged on the right and decreased on the left , with adjacent atelectasis .