3072
More than 50 % of Lobund - Wistar ( L - W ) strain rats developed large , palpable prostate adenocarcinomas ( PAs ) following treatments with N - nitroso - N - methylurea ( CAS : 684 - 93 - 5 ) and testosterone propionate [ ( TP ) CAS : 57 - 85 - 2 ] , and most of the tumor - bearing rats manifested metastatic lesions .
 Disease: prostate adenocarcinomas; Disease: PAs; Chemical: N - nitroso - N - methylurea; Chemical: testosterone propionate; Chemical: TP; Disease: tumor
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; Disease: PAs; Chemical: N - nitroso - N - methylurea; Chemical: testosterone propionate; Chemical: TP; Disease: tumor