Prognostic significance of tumor-associated macrophages in breast cancer: a meta-analysis of the literature

// Xixi Zhao 1,* , Jingkun Qu 2,* , Yuchen Sun 3 , Jizhao Wang 2 , Xu Liu 2 , Feidi Wang 1 , Hong Zhang 1 , Wen Wang 1 , Xingcong Ma 1 , Xiaoyan Gao 1 and Shuqun Zhang 1 1 Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, P.R. China 2 The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, P.R. China 3 The...