Institution: | Zi-Qiang Tian, Department of Thoracic Surgery, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, ChinaJian-Wei Shi, Zhong Li, Department of Surgical Oncology, Affiliated Hospital of Hebei University, Baoding 071000, Hebei Province, ChinaXiao-Ran Wang, Gui-Ying Wang, Department of the Second General Surgery, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, China |