Ann Arbor Stage III Marginal Zone 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 Marginal Zone B-Cell Lymphoma - Stage III Marginal Zone Lymphoma - Stage III Marginal Zone Lymphoma