Fig 1. CD25⁺Foxp3⁺ Treg cells are associated with poor outcome.

Identification of CD25⁺Foxp3⁺ Treg cells by flow cytometry (A). At the time of diagnosis, frequencies and (B) absolute cell counts (C) of CD25⁺Foxp3⁺ cells are higher in eBL patients who died than in survivors and healthy controls.