2542
Our results strongly suggest that estradiol has a critical role in the regulation of IL - 8 in normal human breast tissue and human breast cancer .
 Anatomy: breast tissue; Anatomy: breast cancer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: breast tissue; Anatomy: breast cancer