Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild interval increase in left apical pneumothorax . Left pigtail catheter is unchanged in position and is in the lateral left chest . Left mid lung linear scarring is unchanged and there is a new small right pleural effusion . No new focal opacity or pulmonary edema . Heart size , mediastinal contour and hila are normal . No bony abnormality .
    OUTPUT:
    
1 . Interval increase in left pneumothorax with unchanged left pigtail catheter position . 2 . New small right pleural effusion . Results were conveyed via telephone to ___ by Dr . ___ on ___ at 11 :45 a .m . within 10 minutes of observation of findings .