1. Department of Colorectal Surgery, Liaoning Cancer Hospital, Cancer Hospital Affiliated to China Medical University, Shenyang 110042, Liaoning, China
2. Department of Thoracic Surgery, Liaoning Cancer Hospital, Cancer Hospital Affiliated to China Medical University, Shenyang 110042, Liaoning, China
3. Catheter Center, Liaoning Cancer Hospital, Cancer Hospital Affiliated to China Medical University, Shenyang 110042, Liaoning, China
4. Department of Surgery, Liaoning Cancer Hospital, Cancer Hospital Affiliated to China Medical University, Shenyang 110042, Liaoning, China