1. Department of Traditional Chinese Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
2. Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
3. Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China