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Figure 3 A, Immunohistochemical staining (CD3-positive = red). Neointima 96 days after stenting (subject no. 291/96). CD3-positive T lymphocytes aggregated around the stent struts. Impression of a removed stent filament in the lower right of the figure. Magnification: CD3-positive cells. s = stent strut. (Magnification x35, reduced by 65%.) B, Immunohistochemical staining (CD20-positive = red). Neointima 96 days after stenting (subject no. 291/96). No CD20-positive B lymphocytes in the stent neointima. s = stent strut. (Magnification x35, reduced by 65%.) C, Immunohistochemical staining (CD3-positive = red). Neointima 124 days after stenting. Diffuse infiltration by CD3-positive T lymphocytes in this phase of stent integration. s = stent strut. (Magnification x35, reduced by 65%.) D, Immunohistochemical staining (CD20-positive = red). Neointima 124 days after stenting (subject no. 291/96). No CD20-positive B lymphocytes in the stent neointima. s = stent strut. (Magnification x35, reduced by 65%.) E, Immunohistochemical staining (CD3-positive = red). No CD3-positive T lymphocytes in the vessel segment 2 cm proximal to the stent (subject no. 291/96). (Magnification x45, reduced by 65%.) F, Immunohistochemical staining (CD20-positive = red). No CD20-positive B lymphocytes in the vessel segment 2 cm proximal to the implanted stent (subject no. 291/96). (Magnification x45, reduced by 65%.)
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