Merck Manual

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Stages of Non-Hodgkin Lymphoma

Stages of Non-Hodgkin Lymphoma

Stage

Extent of Spread

I

Limited to one lymph node region

II

Involves two or more lymph node regions on the same side of the diaphragm, above or below it (for example, some enlarged nodes in the neck and some in the armpit)

III

Involves spleen and/or lymph node regions above and below the diaphragm (for example, some enlarged nodes in the neck and some in the groin)

IV

Involves other parts of the body (such as the bone marrow, lungs, or liver), as well as lymph nodes

*People have survived for 5 years with no further disease.

A lymph node region is an area of the body with groups of lymph nodes that drain lymph fluid.