[1] Tianjin Med Univ, Canc Inst & Hosp, Natl Clin Canc Res Ctr, Dept Bone & Soft Tissue Tumors, Tianjin 300060, Peoples R China
[2] Tianjin Med Univ, Dept Diagnost, Tianjin 300060, Peoples R China
[3] Tianjin Med Univ, Canc Inst & Hosp, Dept Bone & Soft Tissue Tumors, Tianjin 300060, Peoples R China
[4] Tianjin Med Univ, Canc Inst & Hosp, Dept Pathol, Tianjin 300060, Peoples R China
[5] Tianjin Med Univ, Canc Inst & Hosp, Dept Epidemiol & Biostat, Tianjin 300060, Peoples R China
[6] Fudan Univ, Shanghai Canc Ctr, Dept Pathol, Shanghai 200032, Peoples R China
[7] Univ Texas MD Anderson Canc Ctr, Dept Pathol, Houston, TX 77030 USA
[8] Univ Texas MD Anderson Canc Ctr, Dept Surg Oncol, Houston, TX 77030 USA