25637
Metabolic response demonstrated by 18F - FDG - PET / CT in metastatic medullary thyroid carcinoma under sorafenib therapy .
 Chemical: 18F - FDG; Chemical: sorafenib
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: 18F - FDG; Chemical: sorafenib