The expression of BCAR3 gene was statistically different in the non-relapse group and the relapse group of MM patients in dataset GSE83503 (585 samples), and the expression in the non-relapse group was significantly higher than that in the relapse group (Fig. 2, P = 0.0023, Unpaired t test, two sided). The gene discussed is BCAR3; the disease is Miyoshi myopathy.