[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 or nodular involvement of the lung(s). - 2003 ( NCI )]
UMLS (NCI) C0855116Stage IV Diffuse Large B-Cell Lymphoma