Novel surgical treatment of abdominal aortic aneurysm complicated with primary aorto-colonic fistula: A case report

AbstractRationale:Primary aorto-colonic fistula is a rare complication of an abdominal aortic aneurysm. Without surgical treatment, the associated mortality rate is 100%. Even if patients receive timely surgical treatment, they may still die of complications such as infection.Patient concerns:A 65-y