Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are normal . Biapical pleural and parenchymal scarring is unchanged . The lungs are otherwise clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of recurrent pneumothorax . Stable biapical pleural and parenchymal scarring . Results were discussed over the telephone with Dr . ___ by ___ at 12 p .m . on ___ at time of initial review .