In this patient, immunohistochemistry, as well as consultation with the pathologist at the university hospital, showed that the adenosarcoma originated in the uterine cavity, the adenosarcoma in the cervical canal was due to a downward invasion of the uterine lesion, the lesion was low grade, and no sarcoma overgrowth was seen as demonstrated in the pathology report (p53-negative, low positivity for Ki-67, etc.). The gene discussed is MKI67; the disease is adenosarcoma.