931
The estimated relative risk for carriers may justify specific clinical screening for the 360 , 000 Americans expected to harbor this allele , and genetic testing in the setting of long - term - outcome studies may impact significantly on colorectal cancer prevention in this population .
 Disease: colorectal cancer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: colorectal cancer