1501
In vivo studies with athymic nude mice demonstrated that injection of atx - transfected NIH3T3 cells resulted in a weak tumorigenic capacity with few experimental metastases .
 Anatomy: NIH3T3 cells; Anatomy: metastases
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: NIH3T3 cells, metastases 
Answer:
 Anatomy: NIH3T3 cells; Anatomy: metastases