1 Department of Gastrointestinal Surgery, The First Hospital Affiliated to Yangtze University, Jingzhou, 434000, Hubei Province, China.
2 Department of Pathology, The First Hospital Affiliated to Yangtze University, Jingzhou, 434000, Hubei Province, China.
3 Department of Gastrointestinal Surgery, The First Hospital Affiliated to Yangtze University, Jingzhou, 434000, Hubei Province, China. Electronic address: sunyimin545589834@163.com.