China Medical University - Department of Anus and Intestine Surgery, China Medical University - Department of Clinical Laboratory, China Medical University - Department of Anus and Intestine Surgery, Heilongjiang University of Chinese Medicine - National Chinmedomics Research Center, China Medical University - Department of Anus and Intestine Surgery, China Medical University - Department of Anus and Intestine Surgery, China Medical University - Department of Anus and Intestine Surgery, China Medical University - Department of Anus and Intestine Surgery and China Medical University - Department of Anus and Intestine Surgery