Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , insertion of the tracheostomy in good position . As compared to the previous radiograph , the extent of the right pleural effusion stable . Unchanged mild pulmonary edema . Borderline size of the cardiac silhouette . Elongation of the descending aorta .
    OUTPUT:
    
Tracheostomy tube in good position .