2406
We have demonstrated recently that lactoferrin enhances the expression of a member of the tumor necrosis factor receptor family , Fas , in the colon mucosa during both early and late stages of carcinogenesis .
 colon mucosa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 colon mucosa