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TSH receptor mRNA reverse transcription - polymerase chain reaction , the Veracyte and Asuragen commercial methods , and the noncommercial use of BRAF , RAS , RET / PTC , and PAX8 / PPAR gamma testing have promising roles in the diagnosis and treatment of patients with nodular thyroid disease and thyroid cancer .
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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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