1 Department of Surgical Oncology and General Surgery, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, The First Affiliated Hospital of China Medical University, No. 155, Nanjing North Road, Heping District, Shenyang, 110001, Liaoning, People's Republic of China.
2 Department of Oncology, Yueyang First People's Hospital, Yueyang, 414000, P. R. China.
3 Department of Thoracic Surgery, Cancer Hospital of China Medical University/Liaoning Cancer Hospital, 110001, Shenyang, P. R. China.
4 Department of Oncology, Shenyang Fifth People Hospital, 110001, Shenyang, P. R. China.
5 Department of Surgical Oncology and General Surgery, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, The First Affiliated Hospital of China Medical University, No. 155, Nanjing North Road, Heping District, Shenyang, 110001, Liaoning, People's Republic of China. [email protected].