1 Department of Colorectal Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, Fujian Province, China.
2 Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
3 Department of Colorectal Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, Fujian Province, China. chipan363@163.com.
4 Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China. chipan363@163.com.