Gene fusions observed in AML cases in the elderly group are RUNX1::RUNX1T1 (10.52%), CBFB::MYH11 (9.47%), PML::RARA (7.36%), SET::NUP214 (3.2%), STIL::TAL1 (3.2%), MLL::AFF1 (3.2%), MLL::MLLT10 (3.2%), and BCR::ABL1 (1.25%). The gene discussed is AFF1; the disease is acute myeloid leukemia.