CD4 and Miyoshi myopathy: According to ECOG score, there were significant positive correlations in VISTA+CD4+ (rs = 0.460, P = 0.005), VISTA+PD-1+CD3+/CD4+/Treg (CD3+: rs = 0.464, P = 0.004; CD4+: rs = 0.467, P = 0.004; Treg: rs = 0.369, P = 0.027), and VISTA+TIGIT+CD4+ T cells (rs = 0.482, P = 0.003) in PB in MM.