Figure 2From: Primary diffuse large B-cell lymphoma of the chest wall: a case reportHematoxylin and eosin (H&E) staining showing a highly pleomorphic large-cell proliferation. Immunohistochemistry was diffusely positive for CD20, paired box protein 5 (PAX-5), and B-cell lymphoma 6 protein (Bcl-6). The Ki-67 index was between 60 and 70%. (Magnification shown at ×100 and ×400).Back to article page