Figure 2.

COX-2 expression in human breast tumors. Cyclooxygenase (COX)-2 protein has been detected in human breast biopsies in both (a) ductal carcinoma in situ and (b) infiltrating mammary carcinoma using immunohistochemistry on formalin-fixed tissue sections. Representative data are reproduced from [21] by permission of Wiley-Liss Inc., a subsidiary of John Wiley and Sons Inc. (Copyright (2000) American Cancer Society.)