Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Status post thoracentesis , the right - sided pleural effusion has decreased in size , although significant amount of pleural fluid as well as adjacent atelectasis still remain . Minimal left lower lobe atelectasis is present . Otherwise , the left lung is clear . Cardiac apex is stable . There is no pneumothorax .
    OUTPUT:
    
Decrease in size in right - sided pleural effusion , although still significant in size with right sided atelectasis / partial lung collapse . No evidence of pneumothorax .