Representative examples of p53 expression in B-NHL. Sections from formlin-fixed tissues were incubated with DAKO N1581 p53 antibody. Tumor cells (nuclei) expressing p53 were stained brown. (A) SLL, (B) FSCC, (C) a portion of B as viewed under a higher magnification, (D) FMx, (E) DMx, (F) DCL.