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Table 2. Anatomic Stage/Prognostic Groupsa,b

ISCL/EORTC Revision to the Staging of Mycosis Fungoides and the Sézary Syndrome 
Stage T N M Peripheral Blood Involvement 
IA1000, 1
IB2000, 1
IIA1, 21, 200, 1
IIB30–200, 1
III40–200, 1

EORTC = European Organization of Research and Treatment of Cancer; ISCL = International Society for Cutaneous Lymphomas.
aReprinted with permission from AJCC: Primary cutaneous lymphomas. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, p 613-5.
bAdapted from Olsen et al.[1]


  1. Olsen E, Vonderheid E, Pimpinelli N, et al.: Revisions to the staging and classification of mycosis fungoides and Sezary syndrome: a proposal of the International Society for Cutaneous Lymphomas (ISCL) and the cutaneous lymphoma task force of the European Organization of Research and Treatment of Cancer (EORTC). Blood 110 (6): 1713-22, 2007.  [PUBMED Abstract]