Figure 1From: Stromal, rather than epithelial cyclooxygenase-2 (COX-2) expression is associated with overall survival of breast cancer patients COX-2 staining in invasive ductal breast carcinoma (T2N1). Immunoreactivity of the polyclonal (Ab3: a) and monoclonal (Ab2: b; Ab1: c) antibodies, original magnifications: 100× and in insets 400 × .Back to article page