Background: The objectives of this study were to determine the incidence, outcome and risk factors for HBV reactivation in HBsAg positive breast cancer patients while on anthracycline -based adjuvant chemotherapy.
Methods: We retrospectively reviewed the records of 2,431 patients with early breast cancer who received adjuvant chemotherapy from March 2001 to December 2005. Among these patients, 111 HBsAg positive women were enrolled in this study.