Current, recent (within 4 weeks of the first infusion of this study), or planned participation in an experimental drug study other than a Genentech-sponsored Avastin cancer study; History of any other malignancy within 5 years (except non-melanoma skin cancer or carcinoma in situ of the cervix);Pregnant or nursing females; Unstable systemic disease, including active infection, uncontrolled hypertension, or serious cardiac arrhythmias requiring medication;