The lesion in the endocervical canal and uterine cavity had been biopsied via hysteroscopy prior to this CT and was confirmed on histology to be a malignant mixed Mullerian tumor of the uterus (carcinosarcoma).

Post-menopausal per vaginal bleeding is the most common clinical presentation for malignant mixed Mullerian tumor of the uterus, which is typically highly aggressive with poor prognosis.