1398
However , the expression of nm23 - H1 gene product in the metastatic sites have not been studied in detail .
 Anatomy: metastatic sites
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: metastatic sites 
Answer:
 Anatomy: metastatic sites