Ann Arbor Stage I Adult T-Cell Leukemia/Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** Ann Arbor Classification: Stage I: Involvement of a single lymph node region (I); or localized involvement of a single extralymphatic organ or site in the absence of any lymph node involvement (IE).

**Synonyms:** - Adult T-Cell Lymphoma/Leukemia Stage I - HTLV-1 Associated Adult T-Cell Lymphoma/Leukemia Stage I - Stage I Adult T-Cell Leukemia/Lymphoma - Stage I Adult T-Cell Leukemia/Lymphoma - Stage I Adult T-Cell Lymphoma/Leukemia - Stage I HTLV-1 Associated Adult T-Cell Lymphoma/Leukemia