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In order to improve our knowledge on sarcomas and to offer patients the best of current standards , we strongly recommend that all patients be referred to a sarcoma multidisciplinary group , under whose supervision they could receive the correct combined - modality management as well as have access to new clinical trials appropriately stratified for risk and histological and / or molecular subtypes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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