Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Examination is performed at 12 :17 p .m . with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . The findings are unchanged and the on previous CT identified nodular lesion in the apical segment of the right lower lobe is again identified and appears unchanged . No new pulmonary abnormalities are seen . No pneumothorax has developed on either side . Observed is that there exist local irregular contoured pleural thickenings in both apices .
    OUTPUT:
    
No evidence of acute pneumothorax following interventional biopsy procedure .