Figure 3: (a) IHC for CD99 positive in tumor tissue, (b) IHC for FL-1 positive in tumor tissue, (c) β-catenin IHC shows strong nuclear positivity in tumor from pancreatic biopsy (d) β-catenin IHC showing only cytoplasmic positivity in tumor from iliac bone biopsy. IHC: Immunohistochemistry