Hodgkins disease, also referred to as Hodgkins lymphoma, is a cancer of the lymphatic system. The lymphatic system helps protect the body against infection and disease. It is a network of lymph vessels and small structures that are called lymph nodes. Lymph nodes are located throughout the body.

The Lymphatic Organs
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Hodgkins disease is a specific form of lymphoma that involves T-cells. Lymphoma occurs when lymph cells divide without control or order. If cells keep dividing uncontrollably, a mass of tissue forms called a growth or tumor. The term cancer refers to malignant tumors, which can invade nearby tissues and can spread to other parts of the body. A benign tumor does not invade or spread.

The cause of Hodgkins lymphoma remains unknown. Hodgkins disease usually starts in lymph nodes or lymphatic tissue and has the potential to spread throughout the body.

Hodgkins lymphoma is one of the most curable types of cancer.