Lymphoma

Lymphoma is a general term for any type of cancer that attacks the lymphatic system. The two most common types of lymphoma are:
*Non-Hodgkin's Lymphoma; and
*Hodgkin's lymphoma, a group of five related lymphoma diseases.
The underlying cause, presentation and mechanism of the diseases all differ slightly, but treatment for any type of lymphoma is the same - radiation and chemotherapy.
Lymphoma at Wikipedia
ru:Лимфома