title: [Unusual presentations of aortic aneurysm].
mesh_terms: D000368:Aged; D000740:Anemia / Q000175:diagnosis; D001014:Aortic Aneurysm / Q000175:diagnosis* / Q000601:surgery; D001416:Back Pain / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D006801:Humans; D006978:Hypertension, Renovascular / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D010996:Pleural Effusion / Q000175:diagnosis