Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 5 .1 cm from the carina , appropriately positioned . NG tube courses below the diaphragm . Since the prior radiograph , there right pleural effusion is smaller and opacity in the right upper lobe is improved . Pulmonary vascular congestion is unchanged . Left lung is incompletely imaged on this film .
    OUTPUT:
    
ET tube 5 cm from the carina . Slight decrease in right pleural effusion and slightly improved right upper lobe opacity .