4756
Importantly , PTHrP - specific neutralizing antibodies slowed the progression and metastasis of human breast cancer xenografts .
 Anatomy: breast cancer xenografts
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: breast cancer xenografts 
Answer:
 Anatomy: breast cancer xenografts