Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New left - sided pigtail projects at medial lung base . The pleural effusion has improved on the left side and is now small to moderate with adjacent atelectasis . Right loculated moderate pleural effusion with adjacent atelectasis has , however , worsened . There is no pneumothorax .
    OUTPUT:
    
1 . Improvement of left moderate pleural effusion after pigtail placement . There is no pneumothorax . 2 . Right moderate pleural effusion with atelectasis has worsened .