4467
Chronic administration of estrogen to the Fischer 344 ( F344 ) rat induces growth of large , hemorrhagic pituitary tumors .
 Chemical: estrogen; Disease: hemorrhagic; Disease: pituitary tumors
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:
 Chemical: estrogen; Disease: hemorrhagic; Disease: pituitary tumors