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One month after steroid therapy , the pleural effusion disappeared , and PR3 - ANCA titer normalized 3 months later .
 Chemical: steroid; Disease: pleural effusion
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: steroid; Disease: pleural effusion