21073
Distant metastasis rate were present in 2 % of patients with FV - PTC , 1 % in C - PTC and 4 % in FTC ( p < 0 . 0001 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None