Immunohistochemistry results were as follows: ALK/P80 -, c-Myc 10%+, Bcl-6 +, CD10 -, CD19 +, CD20 +, CD21 -, CD23 -, CD3 -, CD30 -, CD35 -, CD45(LCA) +, CD45RO -, CD5 -, CD79a +, Cyclin D1 -, Ki-67 70%+, Mum-1 +, SOX11 -, Bcl-2 90%+, leading to a diagnosis of DLBCL, non-GCB subtype (Figure 2). This evidence concerns the gene PTPRC and diffuse large B-cell lymphoma.