The overall expression of Stmn1 was significantly enhanced in human breast cancer tissues of triple negative (P<0.01), ER/PR+, HER2+ (P<0.01), ER/PR+, HER2− (P<0.05) and ER/PR−, HER2+ (P<0.05) (Figure 9B2–5). The gene discussed is ESR1; the disease is breast cancer.