- Patients with more than 1 risk factor, where a risk factor is defined as any one of the following (1-7):1. prior anthracyclines larger than 300 mg/m2 doxorubicin equivalent.2.mediastinum/left breast irradiation. 3.history of arterial hypertension (systolic blood pressure greater than 140 or diastolic blood pressure greater than 90, or receiving anti-hypertensive treatment).4. obesity (body mass index (BMI)[30]).5. diabetes mellitus (fasting plasma glucose level greater than 126 mg/dL American Diabetes Association (ADA) guidelines).6. smoking (any smoking in the month prior to study entry).7. hypercholesterolemia (greater than 240 mg/dL).