[1] Fudan Univ, Zhongshan Hosp, Dept Intervent Radiol, Shanghai, Peoples R China
[2] Fudan Univ, Zhongshan Hosp, Dept Gen Surg, Shanghai, Peoples R China
[3] Fudan Univ, Inst Gen Surg, Shanghai, Peoples R China
[4] Zhongshan Hosp, Dept Gen Surg, Shanghai, Peoples R China
[5] Inst Gen Surg, Shanghai, Peoples R China
[6] Fudan Univ, Shanghai Inst Med Imaging, Shanghai, Peoples R China