Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the left chest tube . No discrete pneumothorax identified . Chain sutures project over the left lung apex . The right upper lung zone volume loss with upward retraction of the hilum . No focal consolidation , or pleural effusion . The size and appearance of the cardiac silhouette is unchanged .
    OUTPUT:
    
Interval removal of the left chest tube . No discrete pneumothorax identified .