MLH1 and neoplasm: Immunohistochemically, the tumor cells of the adenocarcinoma and rhabdoid components were positive for CK (Fig. 3A, adenocarcinoma component; Fig. 3B, rhabdoid component), VMT (Fig. 3C, adenocarcinoma component; Fig. 3D, rhabdoid component) and MLH-1 (Fig. 4A), but negative for skeletal muscle marker, desmin and smooth muscle actin (Fig. 4B and C).