2131
Cancer patients who are chronic carriers of HBV have a higher hepatic complication rate while receiving cytotoxic chemotherapy ( CT ) and this has mainly been attributed to HBV reactivation .
 Cancer, hepatic complication
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Cancer, hepatic complication