text: Common risk factors in the development of<unk><unk><unk>  are Down syndrome, ataxia telangiectasia, Bloom syndrome, X-linked agammaglobulinemia, Fanconi's anemia and severe combined immunodeficiency.
option_0: Acute lymphoblastic leukemia risk factors
option_1: Chronic myelogenous leukemia risk factors
option_2: Hairy cell leukemia risk factors
option_3: Myelodysplastic syndrome risk factors
option_4: B-cell prolymphocytic leukemia risk factors
option_5: Non-Hodgkin lymphoma risk factors
option_6: Febrile neutropenia risk factors
option_7: B-cell lymphoma risk factors