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Pooled sensitivity and specificity of ( 99m ) Tc - MIBI scan in detecting malignant thyroid nodules were 85 . 1 % [ 95 % confidence interval ( 95 % CI ) : 81 . 1 - 88 . 5 % ] and 45 . 7 % ( 95 % CI : 42 . 7 - 48 . 7 % ) , respectively , on a per lesion - based analysis , irrespective of eventual results of previous technetium pertechnetate ( ( 99m ) TcO4 ) or iodine - 123 ( ( 123 ) I ) scan .
 Chemical: ( 99m ) Tc - MIBI; Chemical: technetium pertechnetate; Chemical: ( 99m ) TcO4; Chemical: iodine - 123; Chemical: ( 123 ) I
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: ( 99m ) Tc - MIBI; Chemical: technetium pertechnetate; Chemical: ( 99m ) TcO4; Chemical: iodine - 123; Chemical: ( 123 ) I