State Key Laboratory of Oncology in South China;
Collaborative Innova-tion Center for Cancer Medicine;
Sun Yat-sen University Cancer Center;
Guangzhou 510060;
Guangdong;
P.R.China.;
Department of Pathology;
Sun Yat-sen University Cancer Center;
Guangzhou 510060;
Guangdong;
P.R.China.;
Research Department;
Sun Yat-sen University Cancer Center;
Guang-zhou 510060;
Guangdong;
P.R.China.;