2270
The interleukin ( IL ) 2 - and beta ( 2 ) - microglobulin ( beta ( 2 ) m ) - deficient ( IL - 2 ( null ) x beta ( 2 ) m ( null ) ) mice spontaneously develop colon cancer in the setting of chronic UC .
 Anatomy: colon cancer
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: colon cancer 
Answer:
 Anatomy: colon cancer