1052
We found that lung cancer tissues of positive 67Ga scan expressed TFR , but those of a negative scan did not .
 GENE: TFR
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: TFR 
Answer:
 GENE: TFR