ASXL1 and acute myeloid leukemia: Mutant ASXL1 was also related to an unfavorable OS in patients under the age of 60 years (2‐year OS: 33.3% vs 64.0%, P = .015) or with IR‐AML (2‐year OS: 26.3% vs 55.8%, P = .025; Figure S4D‐E).