2695
Risk ratios decreased with increasing age and increased with number of breast biopsies , family history of breast cancer , estrogen use , time between screenings , no comparison with previous mammograms , and the radiologist ' s tendency to call mammograms abnormal .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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