<prompt> A female patient has adenocarcinoma uterus along with sarcoma of uterus. It is known as:Homologous sarcomaSarcoma uterusMixed Mullerian carcinogenesisHeterologous sarcoma  <response>: Mixed mullerian carcinoma is a mixture of both carcinomatous and sarcomatous element. Represent 50 of all uterine sarcoma.Most common combination is of serous carcinoma with endometrial sarcoma.Most commonly occur in postmenopausal women.Remember:Most common histologic type of uterine sarcoma is carcinosarcoma.Most common symptom of uterine sarcoma is bleeding.Surgery is main stay of treatment followed by chemotherapy.Also know:Heterologous tumors: If sarcoma component of mixed mullerian tumors mimic extra uterine tissue viz - striated muscle cell, cartilage, adipose tissue and bone it is known as Heterologous tumor.Homologous tumor: If mesenchymal sarcomatous component of mixed mullerian tumor consists of malignant endometrial or smooth muscle differentiation, the term homologous is used. 