Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , the previously small left apical pneumothorax is increased , small right apical pneumothorax is mildly improved , and previously mild left basilar atelectasis is increased . The heart size is unchanged . Right chest tube remains in place .
    OUTPUT:
    
The previously small left apical pneumothorax is increased , small right apical pneumothorax is mildly improved , and previously mild left basal atelectasis increased since ___ .