Lymphomas are cancers of the lymphatic system. This system drains excess fluid from the tissue. It also helps protect against infections. Non-Hodgkin’s lymphoma is a general name that applies to many types of lymphomas, which are based on:

  • The type of cell that is involved
  • The patterns of growth

In general, there are two main groups:

  • Slow growing lymphomas
  • Aggressive lymphomas

These cancers are different from Hodgkin’s lymphoma. This is another type of cancer that affects the lymphatic system.

The Lymphatic System
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The exact cause is not known. Mutations in genes may be related to this cancer.