Lymphoma is a cancer that starts in the infection-fighting cells of the immune system, called lymphocytes. These cells are in the lymph nodes, spleen, thymus, bone marrow, and other parts of the body. There are many types of lymphoma, and the risk factors vary.
Having one or more risk factors does not mean that you will develop lymphoma. Most people who have an increased risk never develop the disease. However, It's important to know your family and medical history and recognize any genetic factors.
Hodgkin lymphoma risk factors: