All men aged ___ years who have ever smoked should undergo one-time abdominal ultrasonography to screen for abdominal aortic aneurysm.

ANONYMUSNESS2332

There is no specific age mentioned in the prompt. However, the U.S. Preventive Services Task Force recommends that men aged 65 to 75 years who have ever smoked should undergo one-time abdominal ultrasonography to screen for abdominal aortic aneurysm.