Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New right chest tube is in place . Previous moderate right apical pneumothorax has decreased in size , now small . Atelectasis and pleural effusion at the right base is improving . The lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
1 . Interval decrease in size of small right apical pneumothorax . 2 . Improving right basilar atelectasis and effusion .