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Germfree ( GF ) Lobund strain Wistar ( LW ) rats , fed vegetable diet L - 485 , have developed prostate adenocarcinomas spontaneously ( 10 % incidence ) at average age 34 months .
 Disease: prostate adenocarcinomas
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: prostate adenocarcinomas