Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , there has been interval placement of a right - sided chest tube , with interval significant decrease in size of previously seen large pleural effusion . There is no new focal consolidation . A right chest wall Port - A - Cath is stable in position . Thoracic spinal hardware is again noted .
    OUTPUT:
    
Interval significant decrease in size of a right pleural effusion status post chest tube placement .