1. A malignant tumor composed of both carcinomatous (epithelial cancer) and sarcomatous (connective tissue cancer) elements.
Usage: medical/pathology term; also called mixed Müllerian tumor when occurring in the uterus

Examples

• The pathologist identified the tumor as a carcinosarcoma, containing both epithelial and mesenchymal components.
• Carcinosarcoma of the uterus is a rare and aggressive malignancy.
• Treatment of carcinosarcoma typically involves surgery followed by chemotherapy.
• The patient's biopsy revealed a carcinosarcoma with poor prognostic indicators.
• Carcinosarcomas account for less than 5% of uterine malignancies.