12752
In this study , our results demonstrated that lapatinib facilitated axillary and lung metastases of triple - negative MDA - MB - 231 breast cancer cells without affecting their viability , leading to worse survival in orthotopic xenograft mice .
 Chemical: lapatinib
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: lapatinib