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Breast Cancer Avastin_Hass.jpg

This undated photo provided by Genentech Inc. on Jan. 31, 2011 shows a vial of the drug Avastin. Surprising results from two new studies may reopen the debate about the value of Avastin for breast cancer. The drug helped make tumors disappear when given with chemotherapy before surgery to certain women with early-stage disease, doctors found. The FDA recently revoked Avastin's approval for advanced breast cancer, but the studies suggest it might help others whose cancer has not widely spread. (AP Photo/Genentech Inc., File)