Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The compared to chest films dated same date 3 hours prior , there is been interval removal of left sided chest tube with mildly increased small left apical pneumothorax . The lungs are unchanged . The cardiomediastinal silhouette . Is unremarkable . There is no overt pulmonary edema or pleural effusion . Largely unchanged subcutaneous air in the left lateral chest wall and left neck .
    OUTPUT:
    
Interval removal of left - sided chest tube with mildly increased left apical pneumothorax . These findings were communicated to the ___ staff Dr . ___ by Dr . ___ , at 12 :47 on ___ at the time findings were discovered .