1. Department of Oncology, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
2. Department of Plastic and Reconstructive Surgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
3. Department of Out‑patient Office, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
4. Department of Gynecology and Obstetrics, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
5. Department of Head and Neck Surgery and Oncology Plastic Surgery, The Affiliated Cancer Hospital of Xiangya Medical School, Central South University, Changsha, Hunan 410013, P.R. China