Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are hazy bibasilar opacities . Superiorly , lungs are clear . Moderate cardiac enlargement is unchanged . There is rightward deviation of the trachea at the thoracic inlet due to a known underlying left - sided thyroid enlargement . Tortuosity of the descending thoracic aorta is again noted . No acute osseous abnormalities .
    OUTPUT:
    
Hazy bibasilar opacities , potentially atelectasis , infection is not excluded .