Fig. 5

Immunohistochemical detection of ZEB1 positive expression profile in four different breast cancer tissues. a Immunohistochemical images of different ZEB1 expression in breast tissues; negative (−), weak positive (+), moderate positive (++), and strong positive (+++); b immunohistochemical images of ZEB1 positive expression profile in four kinds of different breast tissues (infiltrating breast cancer, ductal carcinoma in situ, node-positive breast cancer, and paracancerous tissues); c the OS rate of patients with negative expression or positive expression of ZEB1 by Kaplan–Meier analysis