ERBB2 and triple-negative breast carcinoma: The breakdown of breast cancer into four intrinsic sub-types indicated a relatively higher level of CanCord34 overexpression in luminal A and basal breast cancers compared to HER2 positive or luminal B breast cancers (Figure 1D) and a widespread co-occurrence of CanCord34 genes in triple-negative breast cancer (Supplementary Figure S10A–C).