Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is new placement of a left fiducial marker in the left lower paratracheal region . There is no pneumothorax or pneumomediastinum . There is left lower lobe atelectasis . There is also a new elevation of the left hemidiaphragm .
    OUTPUT:
    
1 . Satisfactory placement of new left paratracheal fiducial marker . 2 . New elevation of the left hemidiaphragm .