Source:http://linkedlifedata.com/resource/umls/id/C2986680
NCI: Cancer is found in the bone marrow, brain, or cerebrospinal fluid. Cancer may also be found in other parts of the body.,NCI: Ann Arbor Classification: Stage IV: Diffuse or disseminated involvement of one or more extralymphatic organs, with or without associated lymph node involvement; or isolated extralymphatic organ involvement in the absence of adjacent regional lymph node involvement, but in conjunction with disease in distant site(s); or any involvement of the liver or bone marrow, lungs (other than by direct extension from another site), or cerebrospinal fluid.