The sentence “Immunohistochemically, the tumor cells were focally positive for cytokeratin (AE1/AE3), CD99, vimentin, and TEL-1 (Fig. 5)” should appear as “Immunohistochemically, the tumor cells were focally positive for cytokeratin (AE1/AE3), CD99, vimentin, and TLE-1 (Fig. 5).” The gene discussed is CD99; the disease is neoplasm.