Our classification of Iraqi breast cancer patients according to the St Gallen consensus determined luminal A (Luminal‐A‐like) and luminal B Luminal‐B‐like) as the most common types with a prevalence of 61.7% and 20.0% respectively, followed by HER2 enriched (HER2 positive) (9.5%) and basal‐like (TNBC) tumors (8.7%). The gene discussed is ERBB2; the disease is breast carcinoma.