Description of disorders diagnosed before AML. (A) Type of previous MDS in patients included in MDS-AML group. Patients with nonspecified and unclassifiable MDS were not included in this figure. (B) Type of previous MDS/MPN in patients included in MDS/MPN-AML group. (C) Type of previous MPN in patients included in MPN-AML group. (D) Type of previous therapy in patients included in t-AML group. (E) Type of previous neoplasm in treated patients included in t-AML group. (F) Type of previous solid neoplasm in patients with cancer antecedents without prior treatment.