Successful Treatment of Concomitant Pleural Mucosa-Associated Lymphoid Tissue Lymphoma and Monoclonal Gammopathy of Undetermined Significance with Lenalidomide, Rituximab, and Dexamethasone

Figure 3

Pleural immunohistochemical staining. (a) Hematoxylin-eosin staining (×40). (b) CD20 (×40). (c) κ chain (×40). (d) λ chain (×40).

(a)

(b)

(c)

(d)