Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Large bilateral pleural effusions are again seen , unchanged since prior study . There is increased retrocardiac opacity , likely rotational however aspiration pneumonia can not be excluded . Left upper lobe pneumonia is better seen on CT study from 1 day ago . Endotracheal tube is in appropriate position , approximately 5 cm above the carina . Nasogastric tube is seen coursing towards the stomach and out of view .
    OUTPUT:
    
1 . Unchanged large bilateral pleural effusions . 2 . Left upper lobe pneumonia better seen on recent CT . 3 . Retrocardiac opacity , likely rotational but can not exclude aspiration pneumonia .