[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).- 2003 ( NCI )]
UMLS (NCI) C0854822Anaplastic Large Cell Lymphoma T- and Null-Cell Types Stage I
Stage I Anaplastic Large Cell Lymphoma