NCIt definition : Stage IIB includes: T3, N0-2, M0, B0,1. T3: One or more tumors (equal or greater than
1 cm in diameter). N0: No clinically abnormal peripheral lymph nodes; biopsy not required.
N1: Clinically abnormal peripheral lymph nodes; histopathology Dutch grade 1 or National
Cancer Institute (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 8th ed.);