Immunohistochemistry showed: tumor cells CK-pan (−), INI-1 (+), BCOR (−), BRG-1 (−), Vimentin (+), Ki67 (hot spot about 30%+),p53 (foci+), Desmin (−), H-caldesmon (−), CD34 (−), CD10 (−), Napsin A (−), MYoD1 (−), and MYoD1 (−) (Fig. 2). The gene discussed is SMARCA4; the disease is neoplasm.