(e) Intravascular rolling and firm adherence of neutrophils as assessed in the tumor microvasculature 14 days after intra-dermal injection of 4T1 cells in the right ear of WT mice treated with WX-340 or vehicle by multi-channel in vivo microscopy, quantitative data are shown (mean±SEM for n=4-6 mice per group; *p<0.05 vs. drug vehicle; t test). 