14687
Breast cancer was stated as the main risk ( 64 . 9 % ; n = 1215 ) , closely followed by weight gain ( 53 . 4 % ; n = 1000 ) and thromboembolism ( 48 % ; n = 898 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None