副主任医师，从事肿瘤内科诊疗工作。 专业擅长：食管癌、胃癌、结直肠癌、胰腺癌、胆系肿瘤、小肠癌、肝癌、胃肠间质瘤、神经内分泌肿瘤等消化系统恶性肿瘤的诊治。 社会兼职：北京抗癌协会食管癌专业委员会委员，北京肿瘤防治研究会肿瘤微环境分委会委员，日本东京国立癌症中心访问学者。 参与发表文章如下： (1) Jun Jia, Jing Yu, Zhiwei Sun, Ying Yang, Chuanling Liu, Yanjie Xiao, Xiaodong Zhang. Phase 1 dose-escalation study of apatinib and irinotecan in esophageal squamous cell carcinoma patients. Translational Cancer Research, 2021, 10(2): 627-636. (2) 王方,贾军,杨颖,余靖,孙志伟,刘传玲,肖艳洁,杜丰,史幼梧,张晓东. 淋巴结转移率与食管鳞癌根治术后预后及术后辅助化疗的关系. 中华消化外科杂志, 2019, 18(6): 549-555. (3) J Jia , Y Cui, M Lu, X Wang, Jie Li, Jian Li, Y Li, X Zhang, J Gao, J Zhou, Z Lu, J Gong, J Yu, Z Sun, C Liu, L Shen, X Zhang. The relation of EGFR expression by immunohistochemical staining and clinical response of combination treatment of nimotuzumab and chemotherapy in esophageal squamous cell carcinoma. Clin Transl Oncol, 2016 Jun;18(6):592-598. (4) Zhiwei Sun, Xin Yang, Feng Du, Youwu Shi, Jing Sun, Jun Jia, Chuanling Liu, Yanjie Xiao , Jing Yu , Xiaodong Zhang , Ying Yang. Association between polymorphisms of ABCB1 and prognosis in esophageal squamous cell carcinoma patients treated with taxane. J Gene Med, 2022 Jul;24(7):e3434. (5) 孙 婧,史幼梧,杜 丰,杨 颖,孙志伟,余 靖,肖艳洁,张晓东,贾 军. 消化道肿瘤免疫相关不良事件的临床分析. 首都医科大学学报,2023,44(2):343-350.