Ann Arbor Stage III Childhood Non-Hodgkin Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** 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).

**Synonyms:** - Stage III Childhood Non-Hodgkin Lymphoma - Stage III Non-Hodgkin Lymphoma - stage III childhood non-Hodgkin lymphoma