Clinical Outcome of Breast Conservation Therapy for Breast Cancer in Hong Kong: Prognostic Impact of Ipsilateral Breast Tumor Recurrence and 2005 St. Gallen Risk Categories

Conclusions: Despite the low percentage of mammographically detected lesions, the overall clinical outcome of BCT for invasive breast cancers in the Chinese population is comparable to the Western series. The 2005 St. Gallen risk category is a promising clinical tool, but further validation by large studies is warranted.