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A phase III clinical trial assessed the recurrence of adenomatous polyps after treatment for 36 months with difluoromethylornithine ( DFMO ) plus sulindac or matched placebos .
 Disease: adenomatous polyps; Chemical: difluoromethylornithine; Chemical: DFMO; Chemical: sulindac
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: adenomatous polyps; Chemical: difluoromethylornithine; Chemical: DFMO; Chemical: sulindac