Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left central venous catheter terminates at the distal brachiocephalic vein . A right - sided PICC terminates at the cavoatrial junction . A nasogastric tube terminates within the stomach , with the side port at the GE junction . Bibasilar atelectasis has improved with increased lung volumes . There is no pneumothorax or pleural effusion . Mild pulmonary edema is unchanged .
    OUTPUT:
    
Improved bibasilar atelectasis with improved lung volumes . Unchanged mild pulmonary edema .