This product image provided by Genentech shows a vial and package for the cancer drug Avastin. The maker of Avastin is warning doctors and patients about counterfeit vials of the product distributed ... more 
This product image provided by Genentech shows a vial and package for the cancer drug Avastin. The maker of Avastin is warning doctors and patients about counterfeit vials of the product distributed in the U.S. Roche's Genentech unit says the fake products do not contain the key ingredient in Avastin, which is used to treat cancers of the colon, lung, kidney and brain. (AP Photo/Genentech) less 
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Associated Press | Photo By Genentech
Tue, Feb 14, 2012 6:49 PM EST