Immunohistochemically, the tumor cells were positive for CK7, α-methyl-acyl-CoA racemase (AMACR), CA19-9, vimentin (Fig. 2h), PAX8 (Fig. 2i and j), PAX2 (Fig. 2k), CD138 and CD10, and negative for p63 and prostate specific protein (PSA). This evidence concerns the gene VIM and neoplasm.