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OBJECTIVE : Myeloperoxidase antineutrophil cytoplasmic antibody ( MPO - ANCA ) - positive vasculitis has been reported in patients with Graves ' disease who were treated with propylthiouracil ( PTU ) .
 Disease: vasculitis; Disease: Graves ' disease; Chemical: propylthiouracil; Chemical: PTU
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:
 Disease: vasculitis; Disease: Graves ' disease; Chemical: propylthiouracil; Chemical: PTU