Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: After removal of the right pleural pigtail catheter mild - to - moderate right apical pneumothorax has increased with a maximum width up to 2 .5 cm . There are no findings of tension pneumothorax . Lungs are clear . Heart size is normal , mediastinal and hilar contours are unremarkable . There is no pleural abnormality .
    OUTPUT:
    
1 . Following removal of right pleural pigtail catheter , small - to - moderate right apical pneumothorax has increased . Dr . ___ communicated the findings with nurse ___ , ___ ___ by phone on ___ at 2 :25 p .m . during the chest x-ray review .