Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . A right pleural effusion and overlying atelectasis have increased since ___ . A left pleural effusion remains small . Interstitial edema has improved . There is no focal consolidation or pneumothorax . Median sternotomy wires are intact . Mild cardiomegaly is stable .
    OUTPUT:
    
Slight interval increase in small right pleural effusion and adjacent atelectasis . Stable small left pleural effusion