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Pathological structures altering in lung and spleen in advantage stage. A. Reactive hyperplasia of lymphoid tissue in spleen in Rip-Tag2 mice and C57BL/6 mice (background) as control. B. Thickening and bleeding of the alveolar septa, congestion of capillary, hemorrhagic foci (pink dot) was observed in lung of Rip1-Tag2 mice. Microscope magnification: 400×.
