3569
TP is not only expressed in tumor cells but also in tumor surrounding tissues , such as tumor infiltrating macrophages .
 tumor cells, tumor surrounding tissues, tumor infiltrating macrophages
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 tumor cells, tumor surrounding tissues, tumor infiltrating macrophages