Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post placement of a right pleural pigtail catheter with interval improvement in the right pneumothorax . There is a persistent tiny right lateral pneumothorax and a possibly loculated component at the right apex . A right IJ terminates in the proximal right atrium . Bibasilar prominent interstitial markings are compatible with known pulmonary fibrosis . There is also some focal scarring at the right upper lobe . The cardiomediastinal silhouette and hilar contours are stable . Patient is status post median sternotomy with a fractured first wire . There is no pleural effusion .
    OUTPUT:
    
1 . Status post placement of a right pleural pigtail catheter with interval improvement in the right pneumothorax . Persistent tiny right lateral pneumothorax with a possibly loculated component at the right apex . 2 . Unchanged background pulmonary fibrosis .