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PATIENTS AND METHODS : Using a custom microarray , we analyzed 72 primary PETs , seven matched metastases , and 10 normal pancreatic samples .
 Anatomy: primary PETs; Anatomy: metastases; Anatomy: pancreatic samples
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: primary PETs; Anatomy: metastases; Anatomy: pancreatic samples