The known risk<unk>  in the development of<unk><unk>  lymphoma are weakened immune system, autoimmune disorders, certain infections, and previous cancer treatment. Other possible risk<unk>  include positive family history of<unk><unk>  lymphoma, exposure to pesticides, exposure to trichloroethylene, diet, obesity, hair dyes, and occupational exposures.
Non-Hodgkin lymphoma risk factors
Hodgkin's lymphoma risk factors
B-cell lymphoma risk factors
Skin cancer risk factors
Myelodysplastic syndrome risk factors
Hairy cell leukemia risk factors
Syphilis risk factors
Lymphangitis risk factors