Figure 2
(a) Diffuse large B-lineage ALK+ lymphoma (H&E, × 400), showing cytoplasmic ALK1 immunopositivity in lymphoma cells in (b) (× 400), CD138+ lymphoma cells in (c) (× 400), and cytoplasmic IgG+ lymphoma cells in (d) (× 400).
Figure 2 | Modern Pathology
