Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . Heart size is normal . There is a curvilinear density projecting over the aortic arch ; if this represents intimal calcification , it is displaced from the aortic wall . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Questionable displaced intimal calcification at the aortic arch . Recommend shallow oblique radiographs to determine whether this is a real finding . This was called to Dr . ___ on ___ at 8 :05 a .m .