Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right Port - A - Cath terminates at the cavoatrial junction . A right thoracostomy tube is unchanged in position . There has been interval decrease of a small right pneumothorax in comparison to the ___ examination . There is no focal consolidation or pleural effusion . The heart size is normal . The hilar and mediastinal contours remain within normal limits .
    OUTPUT:
    
1 . Small right pneumothorax has decreased in size since ___ . 2 . Right thoracostomy tube is unchanged in position .