Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . Again seen left porta catheter , terminating in the right atrium . There has been interval placement of a left - sided chest pigtail catheter with interval significant decrease in left pleural effusion with possible only a small amount remaining . There has been significant interval decrease in left base opacity with mild haziness at the left base remaining , which may relate to underlying small pleural effusion and atelectasis , attention at followup . A new small left apical pneumothorax is seen . Right basilar opacity persists , likely due to pleural effusion and atelectasis with possible underlying consolidation .
    OUTPUT:
    
1 . New small left apical pneumothorax status post placement of left chest pigtail catheter . The finding was made at the time of the interpretation of the study with a page placed at to Dr . ___ at 10 :22 p .m . with call back 10 minutes thereafter and findings were discussed with Dr . ___ at 10 :32 PM via telephone . 2 . Significant interval decrease in the left pleural effusion . Persistent right basilar opacity .