Fig. 2From: The clinicopathological relevance of uniform CD56 expression in anaplastic large cell lymphoma: a retrospective analysis of 18 casesRepresentative images of immunohistologic staining of selected markers. Strong and uniform staining for CD30 (a) and CD56 (b) was observed in each case; and tumor cells were positive for ALK1 (c) and TIA-1 (d) in some cases (× 400)Back to article page