Department of General Surgery,The First Affiliated Hospital,China Medical University,Shenyang 110001,China;
Department of General Surgery,The First Affiliated Hospital,China Medical University,Shenyang 110001,China;
Department of General Surgery,The First Affiliated Hospital,China Medical University,Shenyang 110001,China;
Department of General Surgery,The First Affiliated Hospital,China Medical University,Shenyang 110001,China;
Department of General Surgery,The First Affiliated Hospital,China Medical University,Shenyang 110001,China;