10768
CONCLUSION : More than 50 % of patients with perennial rhinitis and CRS do not improve after surgery , a response that may be predicted by more cells expressing IL - 5 mRNA in the ethmoid sinuses .
 IL - 5 mRNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 IL - 5 mRNA