GATA2 and acute myeloid leukemia: Monosomy 7, the most common autosomal monosomy in AML, and frequently seen in therapy-related AML [20], can be also found in congenital diseases predisposing to myeloid neoplasms, such as those bearing germline GATA2 mutations, or affected by neurofibromatosis, and severe congenital neutropenia [21].