The lymphatic system is part of the body's defense against infections. The system is a network of vessels throughout the body that collect invading organisms, such as viruses, and abnormal cells. The invaders are moved into lymph nodes where they are destroyed by white blood cells, including cells called lymphocytes.
Lymphoma is a cancer of the lymphocytes, which means these cells grow abnormally and out of control. Lymphoma usually begins in a lymph node, but it also can begin in...Read more