Ann Arbor Stage II B Lymphoblastic Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** Ann Arbor Classification: Stage II: Involvement of two or more lymph node regions on the same side of the diaphragm (II); or localized involvement of a single extralymphatic organ or site in association with regional lymph node involvement with or without involvement of other lymph node regions on the same side of the diaphragm (IIE).

**Synonyms:** - Precursor B-Lymphoblastic Lymphoma Stage II - Stage II B Lymphoblastic Lymphoma - Stage II B Lymphoblastic Lymphoma - Stage II B-Lymphoblastic Lymphoma - Stage II Precursor B-Lymphoblastic Lymphoma