For instance, high-risk subgroups of MM harbor high expression of MMSET/FGFR3 (4p16), cMAF (16q23), or MAFB (20q12), while standard-risk is characterized by expression of CCND1 (11q13) or CCND3 (6p21) [9]. Here, CCND1 is linked to Miyoshi myopathy.