I. To determine the disease-free survival of patients (defined as invasive disease-free survival [IFDS]) with lymph node positive and high risk lymph node negative breast cancer randomized to treatment with either doxorubicin (doxorubicin hydrochloride)/cyclophosphamide plus placebo followed by paclitaxel (AC + placebo > T + placebo) or the same chemotherapy regimen plus bevacizumab.