It excluded desmoid , lipoma and angiomyolipoma , gastrointestinal stromal tumors , visceral sarcomas such as those arising from the gut or its mesentery , uterine LMS , prostatic sarcoma , paratesticular/spermatic cord sarcoma , Ewing 's sarcoma , alveolar/embryonal rhabdomyosarcoma , primitive peripheral neuro-ectodermal tumor , sarcoma arising from teratoma , carcinosarcoma , sarcomatoid carcinoma , clear cell sarcoma , radiation-induced sarcoma , paraganglioma , and malignant pheochromocytoma .