Mammary lesions were immunostained for: A. Gr-1, B. F4/80, C. CD45 or D. Von Willebrand Factor 8 (VWF8). Statistical analysis was performed using One Way ANOVA with Bonferroni post-hoc comparison. Statistical significance was determined by p<0.05. *p<0.05, n.s=not significant. Scale bar=200 microns. n=8 for 144epi alone, n=9 for 144epi: NAF, n=8 for 144epi: P-CAF. Mean±SEM are shown.