Stent graft placement is one of the most advanced treatment modalities for aortic aneurysms today. So what is a stent graft and in what cases should it be placed?

Dear doctor, my father just went to the doctor and found out that the abdominal aortic aneurysm >7mm. Three children were asked to operate. The cost of surgery is 400 million VND. Don't know if there are other effective ways to treat the disease? Looking forward to consulting your doctor.