11. The effects of bevacizumab on the developing human fetus at the recommended therapeutic dose are unknown. For this reason and because the anti-angiogenic agent used in this trial may be teratogenic, women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately.