Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tip terminates 4 .2 cm cephalad to the carina . Nasogastric tube tip terminates below the diaphragm . There is a right PICC with tip projecting over the low superior vena cava . There are low inspiratory volumes . Cardiac silhouette is prominent but unchanged compared to prior . There is improved aeration of the lungs . Left basilar opacity may represent pleural effusion with atelectasis , however component of consolidation can not be excluded . There is no pneumothorax .
    OUTPUT:
    
Improved bibasilar aeration with areas of persistent bibasilar opacification .