1 Department of Oncology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China.
2 Department of Oncology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China. zhutienian@163.com.
3 Department of Medical Oncology, Bethune International Peace Hospital, Shijiazhuang, 050082, Hebei, China. zhutienian@163.com.
4 Department of Medical Oncology, Bethune International Peace Hospital, Shijiazhuang, 050082, Hebei, China.
5 Department of Pathology, Bethune International Peace Hospital, Shijiazhuang, 050082, Hebei, China.
6 Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China. 6810c@163.com.