23253
This review summarizes the pharmacology of everolimus and reviews its efficacy and tolerability when administered in combination with exemestane in postmenopausal women with oestrogen receptor - positive , HER2 - negative advanced breast cancer refractory to nonsteroidal AIs .
 Chemical: everolimus; Chemical: exemestane; Chemical: oestrogen
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: everolimus; Chemical: exemestane; Chemical: oestrogen