Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal and nasogastric tubes have been removed . Lung volumes are low but improved . Heart size is enlarged . Left mid and lower lung aeration is improved . There are small bilateral pleural effusions . There is no pneumothorax or new area of consolidation . Pulmonary vasculature has improved and is within normal limits . Mediastinal silhouette is not widened . Atherosclerotic calcifications of the aortic arch are unchanged .
    OUTPUT:
    
Improved bilateral lung aeration with persistent low inspiratory volumes . No evidence of pulmonary congestion .