Figure legends:
Figure-1. Preoperative CXR
Figure-2. Preoperative CT scan
Figure-3. Intraoperative image showing the protruded heart outside the chest and the (intact) LA appendage.
Figure-4. Intraoperative image showing the opened aneurysm
Figure-5. Intraoperative image showing the suture line of closing the defect after resection of the aneurysm