1. Department of Pathology, Kunming Medical University, Kunming 650500, Yunnan, China
2. Department of Oncology, Kunming Medical University, Kunming 650500, Yunnan, China
3. Department of Hepatobiliary, Second Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
4. Department of Breast Surgery, Guizhou Provincial People’s Hospital, Guiyang 550002, Guizhou, China