ERBB2 and neoplasm: The majority of tumor samples were identified as HER2-enriched (Her2) (n = 10; 40%) and basal-like (Basal) (n = 8;32%), followed by luminal A (LumA) (n = 4;16%) and luminal B (LumB) (n = 3;12%) based on PAM50 subtype.