Special eye glasses that make cancer cells as small as 1 millimeter glow blue are designed to help surgeons in the operating theater hunt down the malefactors, which are otherwise hard to spot. Breast surgeon Julie Margenthaler is the first to use the device in surgery. "Imagine what it would mean if these glasses eliminated the need for follow-up surgery and the associated pain, inconvenience and anxiety," Margenthaler said.

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