Breast Cancer Center Shandong Cancer Hospital Affiliated to Shandong University;
Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Science Jinan Shandong 250117 China;
Department of Breast and Thyroid Surgery Zibo Central Hospital Zibo Shandong 255036 China;
Department of Pathology Tianjin Medical University Tianjin 300060 China;
Department of Pathology Sun Yat-sen University Cancer Center Guangzhou Guangdong 510120 China;