Patients with HL do have some immune suppression because of the disease and have a higher risk of getting certain infections.

CNN: What is Hodgkin lymphoma's effect on the lymphatic system?

Patients who are successfully treated for HL continue to have this immune suppression and long term have a higher risk of leukemia and some other cancers because of their therapy.

CNN: What is Hodgkin lymphoma's effect on the lymphatic system?

It works, he says, by overcoming an immune-suppression shield that protects the cancer cells.

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