GATA-3 immunostaining was scored semiquantitatively; tumors with <5% nuclei stained were considered GATA-3 negative (A), tumors with 5% to 20% nuclei stained were moderately positive (B), and tumors with >20% nuclei stained were strongly positive (C). GATA-3 immunostaining was scored semiquantitatively; tumors with <5% nuclei stained were considered GATA-3 negative (A), tumors with 5% to 20% nuclei stained were moderately positive (B), and tumors with >20% nuclei stained were strongly positive (C). David Voduc et al. Cancer Epidemiol Biomarkers Prev 2008;17:365-373 ©2008 by American Association for Cancer Research