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
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None