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Analysis of associations among studied proteins revealed positive correlation between Bcl - xL and Bax in primary tumors ( P < 0 . 03 , r = 0 . 307 ) .
 Anatomy: primary tumors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: primary tumors 
Answer:
 Anatomy: primary tumors