Fig. 2From: Hemorrhagic hypopyon as presenting feature of intravascular lymphoma, a case report a A CD3 stain of the lung biopsy reveals no T cell involvement. b A CD20 stain reveals heavy staining within the lumen and alveoli, indicating a B cell lymphoma. c H&E stain demonstrates lymphocytic infiltration along the alveoli and in the lumen. d CD79 stain further confirms heavy involvement of B cells indicating the intravascular lymphoma is of B cell originBack to article page