[The effect of an infection due to the hepatitis B virus on the treatment results in breast cancer patients with bone metastases].

The study deals with the influence of persistent hepatitis B virus infection on immediate and end results of chemotherapy for breast cancer with bony metastases. The infection was shown to be associated with lower complete and partial remission rates, lower 3-year survival rate and higher rate of combination chemotherapy toxic effects such as nausea, vomiting and increased activity of aminotransferases.