11840
Methods : We retrospectively reviewed sonographic findings and pathologic results of thyroid nodules with macrocalcification in patients who underwent US - guided FNA in our hospital from January 2009 through December 2010 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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