A malignant neoplasm that arises from the vagina and is characterized by the presence of an epithelial and a mesenchymal component. This category includes adenosarcoma, carcinosarcoma, and malignant mixed tumor resembling synovial sarcoma. The disease is malignant vaginal mixed epithelial and mesenchymal neoplasm (MONDO_0037746). Also known as: malignant vaginal mixed epithelial and mesenchymal tumor, malignant vaginal mixed epithelial and mesenchymal tumour.