12038
Another cohort study discovered that the white males had significantly elevated non - Hodgkin ' s lymphoma mortality ( SMR = 1 . 98 , 95 % CI = 1 . 15 - 3 . 17 ) , and males of other races had increased leukemia mortality ( SMR = 4 . 57 , 95 % CI = 1 . 25 - 11 . 7 ) .
 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