 High amounts of ionizing radiation exposure can increase the risk of AML . <unk> of the atomic bombings of <unk> and <unk> had an increased rate of AML , as did <unk> exposed to high levels of X @-@ rays prior to the adoption of modern radiation safety practices . People treated with ionizing radiation after treatment for prostate cancer , non @-@ Hodgkin lymphoma , lung cancer and breast cancer have the highest chance of acquiring AML , but this increased risk returns to the background risk observed in the general population after 12 years . 
