1. Department of Breast Surgery, People’s Hospital of Tangshan, Tangshan 063001, Hebei, China
2. Department of Breast Center, People’s Hospital of Tangshan, Tangshan 063001, Hebei, China
3. Department of Oncology, Tangshan People’s Hospital, Tangshan 063001, Hebei, China
4. Department of Pathology, Tangshan People’s Hospital, Tangshan 063001, Hebei, China
5. The Cancer Institute, Tangshan People’s Hospital, Tangshan 063001, Hebei, China