Figure 2: (a) Microscopy of stomach, spleen, pancreas, perigastric (D1 and D2) and para-aortic lymph nodes showing neoplastic mononuclear Hodgkin and bi/multinucleated Reed Sternberg cells in a background of inflammatory cells (Inset: Reed Sternberg cells) (H&E x 400), (b)CK negative neoplastic cells (IHC x 400), (c) LCA negative neoplastic cells (IHC x 400) (d) CD30 positive neoplastic cells (IHC x 400), (e) CD15 positive neoplastic cells (IHC x 400), (f)ALK negative neoplastic cells (IHC x 400)