Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large right and small left pleural effusions are stable to slightly increased . Underlying consolidations most likely represent atelectasis , although underlying infection is difficult to exclude . The aerated upper lungs demonstrate no focal consolidation or pneumothorax ; lower right lung and heart are largely obscured by the large effusion and atelectasis . Aortic calcification is again seen .
    OUTPUT:
    
Stable to slightly increased large right pleural effusion .