Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aorta is mildly tortuous with calcification depicted along the arch . The medial right lung apex shows substantial pleural thickening and vague adjacent parenchymal density . Otherwise the lungs appear clear . There no pleural effusions or pneumothorax .
    OUTPUT:
    
Asymmetric medial right apical opacification . This may be due to scarring but malignancy is not excluded and should be considered . If prior radiographs are not available to show along long - term stability of this appearance then chest CT should be performed to assess further when clinically appropriate .