Heyuan Niu

Maorun Zhang^*,1, 

Tao Yu^*,2, 

Jinyan Jia¹, 

Qi Zhang¹, 

Heyuan Niu¹, 

Gang Liu¹ 

¹Department of General Surgery, Tianjin Medical University General Hospital, 

²Department of Oncology, Tianjin Medical University General Hospital 

Xiuyun Song^*,1, 

Heyuan Niu^*,2, 

Kaiyu Li², 

Maorun Zhang², 

Zhe Ji², 

Qi Zhang², 

Tao Yu³, 

Gang Liu² 

¹Department of Operating Theatre, Tianjin Medical University General Hospital, 

²Department of General Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, 

³Department of Medical Oncology, Tianjin Medical University General Hospital