Fig. 7From: Primary pulmonary T-cell lymphoma with lung adenocarcinoma: a case reportImmunohistochemical staining of the lungs shows that the tumor cells are positive for CD3, CD7, and CD4 but negative for CD20, CD3, CD5, CD56, granzyme B, and perforin. a CD20 staining, scale bar = 100 μm. b CD3 staining, scale bar = 200 μm. c CD56 staining, scale bar = 200 μm. d CD7 staining, scale bar = 200 μm. e CD5 staining, scale bar = 200 μm. f CD4 staining, scale bar = 200 μm. g CD8 staining, scale bar = 200 μm. h Granzyme B staining, scale bar = 100 μm. i CD perforin staining, scale bar = 100 μmBack to article page