Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left hemidiaphragm continues to be elevated with blunting of the left costophrenic angle . There is persistent low lung volumes consistent with recurrence of atelectasis . There is no focal consolidation , pneumothorax or pulmonary edema . Heart and mediastinal contours are unchanged . The vertebral body compression lesions are again noted and unchanged .
    OUTPUT:
    
Left lower lung atelectasis persists .