163
The HR of overall mortality after PMRT was 0 . 87 ( 95 % CI 0 . 60 to 1 . 27 ) for the small subgroup of 151 CA IX positive patients and 0 . 82 ( 95 % CI 0 . 69 to 0 . 97 ) for the large subgroup of 813 CA IX negative patients .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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