Department of Oncology Shangluo Central Hospital Shangluo 726000 ChinaDepartment of Medical Oncology The First Affiliated Hospital of Xi’an Jiaotong University Xi’an 710061 China;
Department of Oncology Shangluo Central Hospital Shangluo 726000 China;
Department of Oncology Shangluo Central Hospital Shangluo 726000 China;
Department of Oncology Shangluo Central Hospital Shangluo 726000 China;
Department of Oncology Shangluo Central Hospital Shangluo 726000 China;
thalidomide; metastatic breast cancer(MBC); vascular endothelial growth factor(VEGF); tumor necrosis factor-α(TNF-α);