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This study demonstrates that surgery plus chemotherapy and radiation therapy is helpful for treating patients with pelvic Ewing ' s sarcoma , particularly in achieving local control .
 Anatomy: pelvic Ewing ' s sarcoma
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: pelvic Ewing ' s sarcoma