An aggressive mixed epithelial and mesenchymal neoplasm that arises from the vagina and is characterized by the presence of a malignant epithelial component and a malignant mesenchymal component. The disease is MONDO_0006488 (vaginal carcinosarcoma). Also known as: vaginal malignant mixed mesodermal (Müllerian) tumor, vaginal malignant mixed mesodermal (Müllerian) tumour.