Ann Arbor Stage I Noncutaneous Anaplastic Large Cell 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:** - Anaplastic Large Cell Lymphoma Stage I - Anaplastic Large Cell Lymphoma T- and Null-Cell Types Stage I - Ann Arbor Stage I Anaplastic Large Cell Lymphoma - Stage I Anaplastic Large Cell Lymphoma - Stage I Anaplastic Large Cell Lymphoma