NSD2 and Miyoshi myopathy: Therefore, the 2022 ICC proposes to formally subdivide MM into 2 mutually exclusive groups, namely (1) MM NOS and (2) MM with recurrent genetic abnormalities including MM with CCND family translocations, MM with MAF family translocation, MM with NSD2 translocation, and MM with hyperdiploidy, characterized by trisomies of uneven chromosomes (3, 5, 7, 9, 11, 15, 19, and 21) (Table 2) [13].