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PURPOSE : We investigated the global gene expression in a large panel of pancreatic endocrine tumors ( PETs ) aimed at identifying new potential targets for therapy and biomarkers to predict patient outcome .
 Anatomy: pancreatic endocrine tumors; Anatomy: PETs
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: pancreatic endocrine tumors; Anatomy: PETs