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From 1986 to 1998 , 29 cancer patients who had 32 episodes of transient hyperammonemic encephalopathy related to continuous infusion of 5 - fluorouracil ( 5 - FU ) were identified .
 Disease: cancer; Disease: hyperammonemic encephalopathy; Chemical: 5 - fluorouracil; Chemical: 5 - FU
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: cancer; Disease: hyperammonemic encephalopathy; Chemical: 5 - fluorouracil; Chemical: 5 - FU