Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Previously seen right apical pneumothorax has resolved . Lung volumes are low with pulmonary edema . Right sided pigtail catheter has moved even more laterally . There is persistent right pleural effusion and atelectasis .
    OUTPUT:
    
1 . Lateral displacement of the pigtail catheter . Please correlate clinically with drainage . 2 . Persistent right pleural effusion , minimally changed since prior study .