28249
No tumor cells were found in histology in 4 / 8 animals in the FUS + DOX group , and in two animals , only a few tumor cells were detected .
 Chemical: DOX
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: DOX