Definition:

stage IV childhood non-Hodgkin lymphomalisten (... non-HOJ-kin lim-FOH-muh)

Cancer is found in the bone marrow, brain, or cerebrospinal fluid. Cancer may also be found in other parts of the body.

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Stage IV childhood non-Hodgkin lymphoma; drawing shows the brain, spinal cord, and cerebrospinal fluid in and around the brain and spinal cord. An inset shows cancer in the bone marrow.

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