Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided pigtail catheter pleural drain , with subsequent decrease in size of right apical pneumothorax , which is now small . The previously nondisplaced fracture of the posterior right seventh rib is now moderately displaced . There is no focal consolidation , pleural effusion , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Interval placement of a right - sided pigtail catheter with subsequent decrease in size of right apical pneumothorax , now small appear 2 . New moderate displacement of previously seen posterior right seventh rib fracture .