12209
ErbB2 - negative breast cancer cells , such as MCF7 and T47D , do not invade following treatment with IR nor do MCF10A cells overexpressing epidermal growth factor receptor .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None