2540
In experimental breast cancer , estradiol increased IL - 8 whereas the anti - estrogen tamoxifen inhibited the secretion of IL - 8 both in vitro and extracellularly in vivo in tumors of nude mice .
 Anatomy: breast cancer; Anatomy: extracellularly; Anatomy: tumors
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 cancer; Anatomy: extracellularly; Anatomy: tumors