Immunohistochemical staining for cathepsin B and caveolin-1 in paraffin sections of inflammatory breast cancer tissues. (a) Diffuse cytoplasmic staining for cathepsin B in tumor and stromal cells (magnification, 40×). (b) Cathepsin B staining in tumor emboli (magnification, 40×). (c) Caveolin-1 staining in tumor emboli (arrow) and dermal lymphatic endothelial cells (arrowhead) (magnification: left panel, 10×; right panel, 40×).
Victor et al. Breast Cancer Research 2011 13:R115 doi:10.1186/bcr3058