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In this study , cancer patients who have solid and hematological malignancies with chronic HBV infection received the antiviral agent lamivudine prior and during CT compared with historical control group who did not receive lamivudine .
 cancer, hematological malignancies, HBV infection, lamivudine, lamivudine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 cancer, hematological malignancies, HBV infection, lamivudine, lamivudine