Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding portable chest examination of ___ . As before , no evidence of cardiac enlargement or pulmonary congestion . The , on previous examination identified local density at the site of the wedge resection has now changed into more linear density compatible with scar formations . No new parenchymal abnormalities seen . Previously described pleural fat pad obliterating cardiac apex remains as before . No new pleural abnormalities are seen and no pneumothorax is identified in the apical area . Previously remaining local chest wall emphysema has disappeared .
    OUTPUT:
    
Satisfactory findings on followup examination . Postoperative scar formation but no pneumothorax .