1. Department of Pathology Renmin Hospital of Wuhan University Wuhan Hubei 430060 P. R. China
2. Department of Breast and Thyroid Surgery Renmin Hospital of Wuhan University Wuhan Hubei 430060 P. R. China
3. Department of Clinical Laboratory Renmin Hospital of Wuhan University Wuhan Hubei 430060 P. R. China
4. Tongji University Cancer Center Shanghai Tenth People's Hospital Tongji University School of Medicine Shanghai 200092 P. R. China