Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the immediate prior study there is been placement of a right basilar pigtail with resolution of the previously seen large pneumothorax . No residual pneumothorax is identified . Extensive chronic fibrotic changes are stable . The cardiomediastinal silhouette , including a mildly tortuous aorta and an aortic stent are stable .
    OUTPUT:
    
Interval placement of a right lung base pigtail with right pneumothorax resolution .