In the article on phosphatidylinositol 3-kinase in breast cancer in the October 15, 2007 issue of Clinical Cancer Research, the names of the authors, Angelo Paradiso, Anita Mangia, Amalia Azzariti, and Stefania Tommasi, were listed incorrectly.

Paradiso A, Mangia A, Azzariti A, Tommasi S. Phosphatidylinositol 3-Kinase in Breast Cancer: Where from Here? Clin Cancer Res 2007;13:5988–90.