Mean and SDs of antigen density (ABC) of CD45 on T-NHL patient samples and T-NHL lines. indicates patient samples; and ■, T-NHL lines. PTCL indicates peripheral T-cell lymphoma; ALCL, anaplastic large cell lymphoma; LBL, T-lymphoblastic leukemia/lymphoma; MF, mycosis fungoides; and NK/T, NK/T-cell lymphoma, nasal type.