Figure 1.
Figure 1. Expression of BCL-3 protein in systemic ALCL tumors. (A) An ALK-positive ALCL tumor with strong nuclear immunoreactivity in almost all tumor cells. (B) An ALK-negative ALCL tumor with relatively weaker nuclear immunoreactivity in many tumor cells. (Immunoperoxidase, DAB, hematoxylin counterstain, original magnification × 400.)

Expression of BCL-3 protein in systemic ALCL tumors. (A) An ALK-positive ALCL tumor with strong nuclear immunoreactivity in almost all tumor cells. (B) An ALK-negative ALCL tumor with relatively weaker nuclear immunoreactivity in many tumor cells. (Immunoperoxidase, DAB, hematoxylin counterstain, original magnification × 400.)

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