25 years ago at age 42 I was diagnosed with Severe Arterial Desease. Dr. Rilling did a bypass from below my heart to both my legs. I'm now 67 years old and everything is holding up perfect. They do have to go in my groin every 2 years now and remove plaque as my desease is forever but my tube is perfect and it's been 25 years now. At the time Dr. Rilling said I was the youngest patient he's had to do the bypass for.