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.
Acute lymphoblastic leukemia risk factors
Chronic myelogenous leukemia risk factors
Hairy cell leukemia risk factors
Myelodysplastic syndrome risk factors
B-cell prolymphocytic leukemia risk factors
Non-Hodgkin lymphoma risk factors
Febrile neutropenia risk factors
B-cell lymphoma risk factors