Figure 2 D , Intubate venous cannulation in the right atrial appendage, start cardiopulmonary bypass, complete aortic root reconstruction (take the Bentall procedure as an example). E , Insert frozen elephant trunk (FET) into descending aorta, anastomose the distal vascular graft trunk was with the proximal FET. F , Anastomose the proximal end of the four‐branched vascular graft with the aortic root.