2008
A total of 270 nodules were biopsied , 184 ( 68 . 1 % ) specimens were considered as adequate CM and 86 ( 31 . 9 % ) specimens were considered as inadequate CM .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None