Hodgkin's Disease - Definition
Hodgkin's disease is a cancer of the lymphatic (pronounced lim-FAT-ic) system. The lymphatic system consists of blood vessels, tissues, and other structures that carry lymph (pronounced limf) through the body. Lymph is a bloodlike fluid that carries substances from cells to blood vessels.
A variety of cancers can affect lymph tissue. These cancers are called lymphomas. Hodgkin's disease is one kind of lymphoma. It is also called Hodgkin's lymphoma. The cause of Hodgkin's disease is unknown. Many experts believe that genetic and environmental factors work together to cause the disease.

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