Source:http://linkedlifedata.com/resource/umls/id/C0854824
NCI: Ann Arbor Classification. Stage III: Involvement of lymph node regions on both sides of the diaphragm (III), which also may be accompanied by extralymphatic extension in association with adjacent lymph node involvement (IIIE) or by involvement of the spleen (IIIS) or both (IIIE,S). - 2003