Fig. 5From: Unusual presentation of primary ovarian diffuse large B-cell lymphoma: a case reportThe immunohistochemical characteristics of the small intestine tissues under the microscope. In tumor tissues, cytomembrane of CD20 was positively expressed: A CD20 (DAB × 100). B CD20 (× 400). CD3 was negatively expressed: C CD3 (DAB × 100). D CD3 (× 400). DAB, Diaminobenzidine. CD3 (× 400). DAB, DiaminobenzidineBack to article page