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Hepatitis B virus ( HBV ) is strongly associated with the development of HCC in people chronically infected with the virus , but the mechanism of viral involvement remains unclear .
 Anatomy: HCC
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: HCC