Numerous genetic analysis studies have shown the molecular components of several pathways, and the discovery of genes linked to particular tissues has helped elucidate their biological role and put disease states like breast cancer, and subtypes like BRCA-Basal, BRCA-Her2, BRCA-LumA, and BRCA-LumB, into context [33,34,35]. Here, ERBB2 is linked to breast carcinoma.