From MayoClinic.com

Non-Hodgkin's lymphomas are a diverse group of cancers that develop in B or T lymphocytes. This system includes the lymph nodes, spleen, and bone marrow.
Non-Hodgkin's lymphoma is the fifth most common cause of cancer. It is more than seven times as common as the other general type of lymphoma - Hodgkin's disease.

Non-Hodgkin's lymphoma has been one of the most rapidly increasing types of cancer.

• Hodgkin's disease

Signs and symptoms

Swollen, painless lymph nodes in your neck, armpit or groin areas are often the only sign of non-Hodgkin's lymphoma in its early stages. Other signs and symptoms may include:

• Fever

• Night sweats

• Fatigue

• Weight loss

• Itchy skin

Emergency signs and symptoms may include:

• Sudden onset of unexplained high fever that lasts for more than 48 hours

• Mental confusion, drowsiness

• Involuntary loss of urine or stool

• Numbness or loss of strength in your arms and legs

• fatigue

• fever

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