Avastin Avastin

Arlene Kalley and her daughter Leila, who support the use of Avastin for breast cancer, hold a banner outside the National Mall in Washington in June.

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Terry Kalley/AP

From left, Priscilla Howard, Crystal Hanna and Nancy Haunty, all breast cancer patients, listen at a Food and Drug Administration hearing on Avastin in Silver Spring, Md., on Tuesday. Joshua Roberts/Bloomberg via Getty Images hide caption

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Joshua Roberts/Bloomberg via Getty Images