29132
MNU - induced lesions presented markers indicative of an aggressive phenotype : lack of basal cells , rupture of the smooth muscle cell layer , loss of E - cadherin , and high MGMT staining .
 Chemical: MNU
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: MNU 
Answer:
 Chemical: MNU