Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , the lung volumes have increased bilaterally . The moderate layering right pleural effusion and small lateral posterior component have decreased . The right lower lobe opacity has also improved . Small left pleural effusion with lateral component tracking along the chest wall remains . There has been interval removal of right central catheter . No pneumothorax is seen . Cardiomegaly and widened appearance of the mediastinum is stable . Thoracic aortic stent and median sternotomy wires are unchanged in position . Tricuspid and mitral valve replacements are seen .
    OUTPUT:
    
Interval decrease in size of bilateral pleural effusions .