Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There appears to be a slight interval increase in the loculated left basal pneumothorax . The pigtail catheter appears to be in place . There is minimal left - sided pleural effusion , stable compared to the prior exam . The fissural loculation in the left upper lung appears stable compared to radiographs dating back to ___ . The heart size is normal . The hilar and mediastinal contours are otherwise unremarkable .
    OUTPUT:
    
1 . Interval increase in the loculated left basal pneumothorax . 2 . Stable minimal left sided pleural effusion . These findings were discussed with Dr . ___ at 11 :43 a .m . by Dr . ___ by telephone on the day of the exam .