text: <unk>  is a kind of soft tissue sarcomas in internal organs which originates from smooth muscle cells. It may arise anywhere in the body, but is most common in the uterus, stomach, or intestines. Usual symptoms include a lump that is growing anywhere on your body, abdominal pain or pelvic pain that is getting worse, blood in your stool or vomit, black, tarry stools and unusual vaginal bleeding. Treatments invlove surgery, radiation therapy, chemotherapy, palliative treatment or a combination. The prognosis of<unk>  is poor.
option_0: Leiomyosarcoma
option_1: Uterine sarcoma
option_2: Intravenous leiomyomatosis
option_3: Leiomyoma
option_4: Ovarian Sarcoma
option_5: Epithelial ovarian tumors
option_6: Rhabdomyoma
option_7: Choriocarcinoma