1. Department of Medical Oncology, The First People’s Hospital of Yunnan Province, Kunming, P.R. China.
2. Department of Medical Oncology, Kunming University of Science and Technology School of Medicine, Kunming, P.R. China.
3. Department of General Surgery, The First People’s Hospital of Yunnan Province, Kunming, P.R. China.
4. Department of General Surgery, Kunming University of Science and Technology School of Medicine, Kunming, P.R. China.