An abdominal aortic aneurysm is considered a silent killer. It slowly grows over time without anyone knowing before it bursts and kills the person. Jim Mallory acted for hospitals, helping resident doctors and medical students learn how to diagnose symptoms. One day, Jim Mallory pretended to have an aneurysm except he was actually having one. They took him to have a scan and found out he did have one ballooning. Since they caught it in time, they put in a stint and saved his life.