Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post VATS procedure and left - sided chest tube is identified . There is new consolidation at the left lung base likely secondary to atelectasis . There is no evidence of a pneumothorax . The heart size is normal . The hilar and mediastinal contours are stable .
    OUTPUT:
    
No evidence of a pneumothorax .