Lymphoma Blood Disorder

About half the blood cancers that occur annually are lymphomas, or cancers of the systema lymphaticum. This system - composed of lymph nodes in your neck, armpits, groin, chest, and abdomen - removes excess fluids from your body and produces immune cells. Abnormal lymphocytes, a kind of white blood corpuscle that fights infection, become lymphoma cells, which multiply and collect in your lymph nodes. Over time, these cancerous cells impair your immune system.

Lymphomas are divided into two categories: Hodgkin lymphoma and non-Hodgkin lymphoma. About 12 percent of individuals with lymphoma have Hodgkin lymphoma. Because of breakthrough research, this once fatal diagnosis has been transformed into a curable condition. Most non-Hodgkin lymphomas are B-cell lymphomas, and either grow quickly (high-grade) or slowly (low-grade). There are over a dozen sorts of B-cell non-Hodgkin lymphomas. The rest are T-cell lymphomas, named after a special cancerous white blood corpuscle, or lymphocyte.

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