title: A giant azygos venous aneurysm caused by the resection of hemangioma.
authors.affiliation: Department of Vascular Surgery, Zhongshan Hospital Fudan University, Shanghai, China.
authors.forename: Baolei
authors.initials: B
authors.lastname: Guo
authors.affiliation: Department of Vascular Surgery, Zhongshan Hospital Fudan University, Shanghai, China. Electronic address: guo.daqiao@zs-hospital.sh.cn.
authors.forename: Daqiao
authors.initials: D
authors.lastname: Guo
authors.affiliation: Department of Vascular Surgery, Zhongshan Hospital Fudan University, Shanghai, China.
authors.forename: Weiguo
authors.initials: W
authors.lastname: Fu
authors.affiliation: Department of Vascular Surgery, Zhongshan Hospital Fudan University, Shanghai, China.
authors.forename: Zhenyu
authors.initials: Z
authors.lastname: Shi