Ann Arbor Stage II Marginal Zone Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** Stage II: Involvement of two or more lymph node regions on the same side of the diaphragm (II) or localized involvement of a single associated extralymphatic organ or site and its regional lymph nodes with or without other lymph node regions on the same side of the diaphragm (IIE). Note: The number of lymph node regions involved may be indicated by a subscript (e.g., II3). (PDQ)

**Synonyms:** - Stage II Marginal Zone B-Cell Lymphoma - Stage II Marginal Zone Lymphoma - Stage II Marginal Zone Lymphoma