And also, the median percentage PCNA, TK-1 and RPA positive cells were 90% (range 80 to 100), 95% (90 to 100) and 100% in FL versus 100% (80 to 100), 95% (70 to 100) and 100% in DLBCL, respectively. This evidence concerns the gene PCNA and diffuse large B-cell lymphoma.