Epithelial and stromal percentage clusterin staining in normal nonadjacent colonic tissue and matched tumor tissue in 202 patients with stage II colorectal cancer (*, Wilcoxon's signed rank test). Epithelial and stromal percentage clusterin staining in normal nonadjacent colonic tissue and matched tumor tissue in 202 patients with stage II colorectal cancer (*, Wilcoxon's signed rank test). David Kevans et al. Cancer Epidemiol Biomarkers Prev 2009;18:393-399 ©2009 by American Association for Cancer Research