[1] Sun Yat Sen Univ, Canc Ctr, Dept Med Oncol, Guangzhou, Peoples R China
[2] Sun Yat Sen Univ, Canc Ctr, Dept Minimally Invas & Intervent Therapy, Guangzhou, Peoples R China
[3] Sun Yat sen Univ, Canc Ctr, Dept Hepatobiliary Oncol, Guangzhou, Peoples R China
[4] Sun Yat Sen Univ, Collaborat Innovat Ctr Canc Med, Canc Ctr, Dept Colorectal Surg,State Key Lab Oncol South Chi, Guangzhou, Peoples R China