Fig. 5

Longitudinal plots of cytotoxic activity of PBMCs against K-562 cells plotted according to the deviation from the baseline. Mean levels in all patients at indicated E:T ratios (a blue 20:1, red 40:1) and levels for the tumor responses at 40:1 E/T ratio (b) are shown. PBMCs peripheral blood mononuclear cells, SD stable disease, PD progressive disease