9979
SFO treatment changed the lesion composition to an unstable phenotype , increased the number of apoptotic cells in plaque and the endothelium in plaques was damaged after SFO treatment .
 Chemical: SFO; Chemical: SFO
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: SFO; Chemical: SFO