Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to large right pleural effusion , layering posteriorly unchanged . Previous pulmonary vascular congestion and possible mild edema have both resolved . Left lower lobe is still collapsed accompanied by at least a small if not moderate left pleural effusion . Heart is not enlarged . ET tube is 4 cm from the carina . Right jugular sheath ends in the right brachiocephalic vein , left internal jugular line in the mid to low SVC , esophageal drainage tube beyond the gastroesophageal junction , as before .
    OUTPUT:
    
No substantial change .