<prompt> A 60-year-old women presents with a 2-week history of uterine bleeding. Gynecologic examination reveals an enlarged uterus. The hysterectomy specimen shows a large polypoid mass involving the endometrium and myometrium. Histologic examination reveals malignant glands and malignant stromal elements, including striated muscle and cartilage. What is the appropriate diagnosis?CarcinosarcomaEndometrioid adenocarcinomaLeiomyosarcomaPleomorphic adenoma  <response>: Carcinosarcoma is an aggressive, mixed mesodermal tumor, in which the epithelial and stromal components are both highly malignant. These neoplasms are derived from multipotential stromal cells. The overall 5-year rate survival is 25. Pleomorphic adenoma choice D is a mixed tumor of salivary gland. The other choices do not feature biphasic components.Diagnosis: Carcinosarcoma 