Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right pigtail catheter is again seen in the right hemithorax , largely unchanged in position . There is a residual consolidation at the base of the right lung and moderate bibasilar atelectasis . The upper lungs are clear . The cardiomediastinal silhouette and hilar contours are normal . There is no appreciable pneumothorax .
    OUTPUT:
    
No significant interval change .