[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). Any involvement of the liver or bone marrow or nodular involvement of the lung(s). - 2003 ( NCI )]
UMLS (NCI) C0854838Stage IV Angiocentric Lymphoma
Stage IV Nasal Type NK/T-Cell Lymphoma