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Y705 phosphorylation is conventionally thought to be required for Stat3 signal - dependent activation and seems to play an essential role in some malignancies .
 Anatomy: malignancies
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: malignancies