Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right chest tube terminating in the right apical pleural space . Small right apical pneumothorax , is slightly larger since the prior study of ___ . Evidence of prior sub - segmental resection is seen in the right upper lobe . The left lung is clear , without consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
Small right apical pneumothorax , larger in size since the prior study .