Any acute myeloid leukemia that has the chromosomal anomaly t(1;11)(q21;q23). (A cytogenetic abnormality that refers to the translocation of the long arm (q21) of chromosome 1 and the long arm (q23) of chromosome 11. It is associated with KMT2A (MLL)/MLLT11 (AF1Q) fusions, acute myeloid leukemia and some cases of acute lymphoblastic leukemia.)