NCIt synonyms : Stage IIA Mycosis Fungoides and Sézary Syndrome AJCC v7; Stage IIA Mycosis Fungoides and Sézary Syndrome; Stage IIA Mycosis Fungoides and Sezary Syndrome;
NCIt definition : Stage IIA includes: T1-2, N1-2, M0, B0-1. T1: Limited patches, papules, and/or plaques
covering less than 10% of the skin surface. May further stratify into T1a (patch only)
vs. T1b (plaque /- patch). T2: Patches, papules, or plaques covering 10% or more
of the skin surface. May further stratify into T2a (patch only) vs. T2b (plaque /-
patch). N1: Clinically abnormal peripheral lymph nodes; histopathology Dutch grade
1 or NCI LN0-2. N2: Clinically abnormal peripheral lymph nodes; histopathology Dutch
grade 2 or NCI LN3. M0: No visceral organ involvement. B0: Absence of significant
blood involvement: 5% or less of peripheral blood lymphocytes are atypical (Sezary
cells). B1: Low blood tumor burden: more than 5% of peripheral blood lymphocytes are
atypical (Sezary cells) but does not meet the criteria of B2. (AJCC 7th ed.);