The number of T cells and NK cells delivered within the stem cell product differs greatly between patients. Plots showing flow gating strategy used to identify lymphocytes, NK and T cells (A). Box and whisker graph displaying dose range of T (range 0.04-458 × 10⁶/kg; median 87.4 × 10⁶/kg), NK (range 0.03-99 × 10⁶/kg; median 6.3 × 10⁶/kg), and CD34⁺ (range 1.25-8.0 × 10⁶/kg; median 4.7 × 10⁶/kg) cells in the stem cell product received by patients in the cohort (B).