ERBB2 and invasive ductal breast carcinoma: Prognostic values of differential expression of lncRNA ST7-AS1 in different subgroups, including anatomic neoplasm subdivision-right, menopause status-post, ER-positive, PR-positive, HER2-positive, infiltrating ductal carcinoma, infiltrating lobular carcinoma, age >60°years, race-white, M stage-M0, N stage N2 and N3, T stage-T2, T stage-T3 (all p < 0.05), are shown in Figure 4.