uterine corpus mixed epithelial and mesenchymal neoplasm (Monarch Disease Ontology identifier MONDO_0016255) is a primary, benign or malignant neoplasm of the uterine corpus characterized by the presence of an epithelial and a mesenchymal component. Representative examples include adenomyoma, adenosarcoma, and carcinosarcoma. Also known as: body of uterus mixed neoplasm, uterine corpus mixed epithelial and mesenchymal tumor, uterine corpus mixed epithelial and mesenchymal tumour.