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At the time of brain biopsy , the primary site of tumor origin was known in 45 cases and unknown in 30 cases .
 Anatomy: brain; Anatomy: site; Anatomy: tumor
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: brain; Anatomy: site; Anatomy: tumor