title: Nonsyphilitic etiology of linear calcification of the ascending aorta.
mesh_terms: D000368:Aged; D001018:Aortic Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D002114:Calcinosis / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013588:Syphilis Serodiagnosis; D013589:Syphilis, Cardiovascular / Q000175:diagnosis*